20532540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 72253440

約数和(自身を除く): 51720900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 31, 35, 38, 42, 57, 60, 62, 70, 76, 83, 84, 93, 95, 105, 114, 124, 133, 140, 155, 166, 186, 190, 210, 217, 228, 249, 266, 285, 310, 332, 372, 380, 399, 415, 420, 434, 465, 498, 532, 570, 581, 589, 620, 651, 665, 798, 830, 868, 930, 996, 1085, 1140, 1162, 1178, 1245, 1302, 1330, 1577, 1596, 1660, 1743, 1767, 1860, 1995, 2170, 2324, 2356, 2490, 2573, 2604, 2660, 2905, 2945, 3154, 3255, 3486, 3534, 3990, 4123, 4340, 4731, 4980, 5146, 5810, 5890, 6308, 6510, 6972, 7068, 7719, 7885, 7980, 8246, 8715, 8835, 9462, 10292, 11039, 11620, 11780, 12369, 12865, 13020, 15438, 15770, 16492, 17430, 17670, 18011, 18924, 20615, 22078, 23655, 24738, 25730, 30876, 31540, 33117, 34860, 35340, 36022, 38595, 41230, 44156, 47310, 48887, 49476, 51460, 54033, 55195, 61845, 66234, 72044, 77190, 82460, 90055, 94620, 97774, 108066, 110390, 123690, 132468, 146661, 154380, 165585, 180110, 195548, 216132, 220780, 244435, 247380, 270165, 293322, 331170, 342209, 360220, 488870, 540330, 586644, 662340, 684418, 733305, 977740, 1026627, 1080660, 1368836, 1466610, 1711045, 2053254, 2933220, 3422090, 4106508, 5133135, 6844180, 10266270, 20532540]

約数ペア:

[(1, 20532540), (2, 10266270), (3, 6844180), (4, 5133135), (5, 4106508), (6, 3422090), (7, 2933220), (10, 2053254), (12, 1711045), (14, 1466610), (15, 1368836), (19, 1080660), (20, 1026627), (21, 977740), (28, 733305), (30, 684418), (31, 662340), (35, 586644), (38, 540330), (42, 488870), (57, 360220), (60, 342209), (62, 331170), (70, 293322), (76, 270165), (83, 247380), (84, 244435), (93, 220780), (95, 216132), (105, 195548), (114, 180110), (124, 165585), (133, 154380), (140, 146661), (155, 132468), (166, 123690), (186, 110390), (190, 108066), (210, 97774), (217, 94620), (228, 90055), (249, 82460), (266, 77190), (285, 72044), (310, 66234), (332, 61845), (372, 55195), (380, 54033), (399, 51460), (415, 49476), (420, 48887), (434, 47310), (465, 44156), (498, 41230), (532, 38595), (570, 36022), (581, 35340), (589, 34860), (620, 33117), (651, 31540), (665, 30876), (798, 25730), (830, 24738), (868, 23655), (930, 22078), (996, 20615), (1085, 18924), (1140, 18011), (1162, 17670), (1178, 17430), (1245, 16492), (1302, 15770), (1330, 15438), (1577, 13020), (1596, 12865), (1660, 12369), (1743, 11780), (1767, 11620), (1860, 11039), (1995, 10292), (2170, 9462), (2324, 8835), (2356, 8715), (2490, 8246), (2573, 7980), (2604, 7885), (2660, 7719), (2905, 7068), (2945, 6972), (3154, 6510), (3255, 6308), (3486, 5890), (3534, 5810), (3990, 5146), (4123, 4980), (4340, 4731)]