20444760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 288

約数和(自身を含む): 82695600

約数和(自身を除く): 62250840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 49, 56, 57, 60, 61, 63, 70, 72, 76, 84, 90, 95, 98, 105, 114, 120, 122, 126, 133, 140, 147, 152, 168, 171, 180, 183, 190, 196, 210, 228, 244, 245, 252, 266, 280, 285, 294, 305, 315, 342, 360, 366, 380, 392, 399, 420, 427, 441, 456, 488, 490, 504, 532, 549, 570, 588, 610, 630, 665, 684, 732, 735, 760, 798, 840, 854, 855, 882, 915, 931, 980, 1064, 1098, 1140, 1159, 1176, 1197, 1220, 1260, 1281, 1330, 1368, 1464, 1470, 1596, 1708, 1710, 1764, 1830, 1862, 1960, 1995, 2135, 2196, 2205, 2280, 2318, 2394, 2440, 2520, 2562, 2660, 2745, 2793, 2940, 2989, 3192, 3416, 3420, 3477, 3528, 3660, 3724, 3843, 3990, 4270, 4392, 4410, 4636, 4655, 4788, 5124, 5320, 5490, 5586, 5795, 5880, 5978, 5985, 6405, 6840, 6954, 7320, 7448, 7686, 7980, 8113, 8379, 8540, 8820, 8967, 9272, 9310, 9576, 10248, 10431, 10980, 11172, 11590, 11956, 11970, 12810, 13908, 13965, 14945, 15372, 15960, 16226, 16758, 17080, 17385, 17640, 17934, 18620, 19215, 20862, 21960, 22344, 23180, 23912, 23940, 24339, 25620, 26901, 27816, 27930, 29890, 30744, 32452, 33516, 34770, 35868, 37240, 38430, 40565, 41724, 41895, 44835, 46360, 47880, 48678, 51240, 52155, 53802, 55860, 56791, 59780, 64904, 67032, 69540, 71736, 73017, 76860, 81130, 83448, 83790, 89670, 97356, 104310, 107604, 111720, 113582, 119560, 121695, 134505, 139080, 146034, 153720, 162260, 167580, 170373, 179340, 194712, 208620, 215208, 227164, 243390, 269010, 283955, 292068, 324520, 335160, 340746, 358680, 365085, 417240, 454328, 486780, 511119, 538020, 567910, 584136, 681492, 730170, 851865, 973560, 1022238, 1076040, 1135820, 1362984, 1460340, 1703730, 2044476, 2271640, 2555595, 2920680, 3407460, 4088952, 5111190, 6814920, 10222380, 20444760]

約数ペア:

[(1, 20444760), (2, 10222380), (3, 6814920), (4, 5111190), (5, 4088952), (6, 3407460), (7, 2920680), (8, 2555595), (9, 2271640), (10, 2044476), (12, 1703730), (14, 1460340), (15, 1362984), (18, 1135820), (19, 1076040), (20, 1022238), (21, 973560), (24, 851865), (28, 730170), (30, 681492), (35, 584136), (36, 567910), (38, 538020), (40, 511119), (42, 486780), (45, 454328), (49, 417240), (56, 365085), (57, 358680), (60, 340746), (61, 335160), (63, 324520), (70, 292068), (72, 283955), (76, 269010), (84, 243390), (90, 227164), (95, 215208), (98, 208620), (105, 194712), (114, 179340), (120, 170373), (122, 167580), (126, 162260), (133, 153720), (140, 146034), (147, 139080), (152, 134505), (168, 121695), (171, 119560), (180, 113582), (183, 111720), (190, 107604), (196, 104310), (210, 97356), (228, 89670), (244, 83790), (245, 83448), (252, 81130), (266, 76860), (280, 73017), (285, 71736), (294, 69540), (305, 67032), (315, 64904), (342, 59780), (360, 56791), (366, 55860), (380, 53802), (392, 52155), (399, 51240), (420, 48678), (427, 47880), (441, 46360), (456, 44835), (488, 41895), (490, 41724), (504, 40565), (532, 38430), (549, 37240), (570, 35868), (588, 34770), (610, 33516), (630, 32452), (665, 30744), (684, 29890), (732, 27930), (735, 27816), (760, 26901), (798, 25620), (840, 24339), (854, 23940), (855, 23912), (882, 23180), (915, 22344), (931, 21960), (980, 20862), (1064, 19215), (1098, 18620), (1140, 17934), (1159, 17640), (1176, 17385), (1197, 17080), (1220, 16758), (1260, 16226), (1281, 15960), (1330, 15372), (1368, 14945), (1464, 13965), (1470, 13908), (1596, 12810), (1708, 11970), (1710, 11956), (1764, 11590), (1830, 11172), (1862, 10980), (1960, 10431), (1995, 10248), (2135, 9576), (2196, 9310), (2205, 9272), (2280, 8967), (2318, 8820), (2394, 8540), (2440, 8379), (2520, 8113), (2562, 7980), (2660, 7686), (2745, 7448), (2793, 7320), (2940, 6954), (2989, 6840), (3192, 6405), (3416, 5985), (3420, 5978), (3477, 5880), (3528, 5795), (3660, 5586), (3724, 5490), (3843, 5320), (3990, 5124), (4270, 4788), (4392, 4655), (4410, 4636)]