20341280820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1123}}^1$

素因数の和:1311

約数の個数: 288

約数和(自身を含む): 68067893376

約数和(自身を除く): 47726612556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 101, 105, 122, 140, 147, 183, 196, 202, 210, 244, 245, 294, 303, 305, 366, 404, 420, 427, 490, 505, 588, 606, 610, 707, 732, 735, 854, 915, 980, 1010, 1123, 1212, 1220, 1281, 1414, 1470, 1515, 1708, 1830, 2020, 2121, 2135, 2246, 2562, 2828, 2940, 2989, 3030, 3369, 3535, 3660, 4242, 4270, 4492, 4949, 5124, 5615, 5978, 6060, 6161, 6405, 6738, 7070, 7861, 8484, 8540, 8967, 9898, 10605, 11230, 11956, 12322, 12810, 13476, 14140, 14847, 14945, 15722, 16845, 17934, 18483, 19796, 21210, 22460, 23583, 24644, 24745, 25620, 29694, 29890, 30805, 31444, 33690, 35868, 36966, 39305, 42420, 43127, 44835, 47166, 49490, 55027, 59388, 59780, 61610, 67380, 68503, 73932, 74235, 78610, 86254, 89670, 92415, 94332, 98980, 110054, 113423, 117915, 123220, 129381, 137006, 148470, 157220, 165081, 172508, 179340, 184830, 205509, 215635, 220108, 226846, 235830, 258762, 274012, 275135, 296940, 301889, 330162, 340269, 342515, 369660, 411018, 431270, 453692, 471660, 479521, 517524, 550270, 567115, 603778, 646905, 660324, 680538, 685030, 793961, 822036, 825405, 862540, 905667, 959042, 1027545, 1100540, 1134230, 1207556, 1293810, 1361076, 1370060, 1438563, 1509445, 1587922, 1650810, 1701345, 1811334, 1918084, 2055090, 2268460, 2381883, 2397605, 2587620, 2877126, 3018890, 3175844, 3301620, 3356647, 3402690, 3622668, 3969805, 4110180, 4528335, 4763766, 4795210, 5557727, 5754252, 6037780, 6713294, 6805380, 6918803, 7192815, 7939610, 9056670, 9527532, 9590420, 10069941, 11115454, 11909415, 13426588, 13837606, 14385630, 15879220, 16673181, 16783235, 18113340, 20139882, 20756409, 22230908, 23818830, 27675212, 27788635, 28771260, 33346362, 33566470, 34594015, 40279764, 41512818, 47637660, 48431621, 50349705, 55577270, 66692724, 67132940, 69188030, 83025636, 83365905, 96863242, 100699410, 103782045, 111154540, 138376060, 145294863, 166731810, 193726484, 201398820, 207564090, 242158105, 290589726, 333463620, 339021347, 415128180, 484316210, 581179452, 678042694, 726474315, 968632420, 1017064041, 1356085388, 1452948630, 1695106735, 2034128082, 2905897260, 3390213470, 4068256164, 5085320205, 6780426940, 10170640410, 20341280820]

約数ペア:

[(1, 20341280820), (2, 10170640410), (3, 6780426940), (4, 5085320205), (5, 4068256164), (6, 3390213470), (7, 2905897260), (10, 2034128082), (12, 1695106735), (14, 1452948630), (15, 1356085388), (20, 1017064041), (21, 968632420), (28, 726474315), (30, 678042694), (35, 581179452), (42, 484316210), (49, 415128180), (60, 339021347), (61, 333463620), (70, 290589726), (84, 242158105), (98, 207564090), (101, 201398820), (105, 193726484), (122, 166731810), (140, 145294863), (147, 138376060), (183, 111154540), (196, 103782045), (202, 100699410), (210, 96863242), (244, 83365905), (245, 83025636), (294, 69188030), (303, 67132940), (305, 66692724), (366, 55577270), (404, 50349705), (420, 48431621), (427, 47637660), (490, 41512818), (505, 40279764), (588, 34594015), (606, 33566470), (610, 33346362), (707, 28771260), (732, 27788635), (735, 27675212), (854, 23818830), (915, 22230908), (980, 20756409), (1010, 20139882), (1123, 18113340), (1212, 16783235), (1220, 16673181), (1281, 15879220), (1414, 14385630), (1470, 13837606), (1515, 13426588), (1708, 11909415), (1830, 11115454), (2020, 10069941), (2121, 9590420), (2135, 9527532), (2246, 9056670), (2562, 7939610), (2828, 7192815), (2940, 6918803), (2989, 6805380), (3030, 6713294), (3369, 6037780), (3535, 5754252), (3660, 5557727), (4242, 4795210), (4270, 4763766), (4492, 4528335), (4949, 4110180), (5124, 3969805), (5615, 3622668), (5978, 3402690), (6060, 3356647), (6161, 3301620), (6405, 3175844), (6738, 3018890), (7070, 2877126), (7861, 2587620), (8484, 2397605), (8540, 2381883), (8967, 2268460), (9898, 2055090), (10605, 1918084), (11230, 1811334), (11956, 1701345), (12322, 1650810), (12810, 1587922), (13476, 1509445), (14140, 1438563), (14847, 1370060), (14945, 1361076), (15722, 1293810), (16845, 1207556), (17934, 1134230), (18483, 1100540), (19796, 1027545), (21210, 959042), (22460, 905667), (23583, 862540), (24644, 825405), (24745, 822036), (25620, 793961), (29694, 685030), (29890, 680538), (30805, 660324), (31444, 646905), (33690, 603778), (35868, 567115), (36966, 550270), (39305, 517524), (42420, 479521), (43127, 471660), (44835, 453692), (47166, 431270), (49490, 411018), (55027, 369660), (59388, 342515), (59780, 340269), (61610, 330162), (67380, 301889), (68503, 296940), (73932, 275135), (74235, 274012), (78610, 258762), (86254, 235830), (89670, 226846), (92415, 220108), (94332, 215635), (98980, 205509), (110054, 184830), (113423, 179340), (117915, 172508), (123220, 165081), (129381, 157220), (137006, 148470)]