20156989125

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{6491}}^1$

素因数の和:6549

約数の個数: 144

約数和(自身を含む): 42256064448

約数和(自身を除く): 22099075323

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 49, 65, 75, 91, 105, 125, 147, 169, 175, 195, 245, 273, 325, 375, 455, 507, 525, 637, 735, 845, 875, 975, 1183, 1225, 1365, 1625, 1911, 2275, 2535, 2625, 3185, 3549, 3675, 4225, 4875, 5915, 6125, 6491, 6825, 8281, 9555, 11375, 12675, 15925, 17745, 18375, 19473, 21125, 24843, 29575, 32455, 34125, 41405, 45437, 47775, 63375, 79625, 84383, 88725, 97365, 124215, 136311, 147875, 162275, 207025, 227185, 238875, 253149, 318059, 421915, 443625, 486825, 590681, 621075, 681555, 811375, 954177, 1035125, 1096979, 1135925, 1265745, 1590295, 1772043, 2109575, 2434125, 2953405, 3105375, 3290937, 3407775, 4134767, 4770885, 5484895, 5679625, 6328725, 7678853, 7951475, 8860215, 10547875, 12404301, 14767025, 16454685, 17038875, 20673835, 23036559, 23854425, 27424475, 31643625, 38394265, 39757375, 44301075, 53751971, 62021505, 73835125, 82273425, 103369175, 115182795, 119272125, 137122375, 161255913, 191971325, 221505375, 268759855, 310107525, 411367125, 516845875, 575913975, 806279565, 959856625, 1343799275, 1550537625, 2879569875, 4031397825, 6718996375, 20156989125]

約数ペア:

[(1, 20156989125), (3, 6718996375), (5, 4031397825), (7, 2879569875), (13, 1550537625), (15, 1343799275), (21, 959856625), (25, 806279565), (35, 575913975), (39, 516845875), (49, 411367125), (65, 310107525), (75, 268759855), (91, 221505375), (105, 191971325), (125, 161255913), (147, 137122375), (169, 119272125), (175, 115182795), (195, 103369175), (245, 82273425), (273, 73835125), (325, 62021505), (375, 53751971), (455, 44301075), (507, 39757375), (525, 38394265), (637, 31643625), (735, 27424475), (845, 23854425), (875, 23036559), (975, 20673835), (1183, 17038875), (1225, 16454685), (1365, 14767025), (1625, 12404301), (1911, 10547875), (2275, 8860215), (2535, 7951475), (2625, 7678853), (3185, 6328725), (3549, 5679625), (3675, 5484895), (4225, 4770885), (4875, 4134767), (5915, 3407775), (6125, 3290937), (6491, 3105375), (6825, 2953405), (8281, 2434125), (9555, 2109575), (11375, 1772043), (12675, 1590295), (15925, 1265745), (17745, 1135925), (18375, 1096979), (19473, 1035125), (21125, 954177), (24843, 811375), (29575, 681555), (32455, 621075), (34125, 590681), (41405, 486825), (45437, 443625), (47775, 421915), (63375, 318059), (79625, 253149), (84383, 238875), (88725, 227185), (97365, 207025), (124215, 162275), (136311, 147875)]