20213561625

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{5591}}^1$

素因数の和:5951

約数の個数: 64

約数和(自身を含む): 34838249472

約数和(自身を除く): 14624687847

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 155, 311, 375, 465, 775, 933, 1555, 2325, 3875, 4665, 5591, 7775, 9641, 11625, 16773, 23325, 27955, 28923, 38875, 48205, 83865, 116625, 139775, 144615, 173321, 241025, 419325, 519963, 698875, 723075, 866605, 1205125, 1738801, 2096625, 2599815, 3615375, 4333025, 5216403, 8694005, 12999075, 21665125, 26082015, 43470025, 53902831, 64995375, 130410075, 161708493, 217350125, 269514155, 652050375, 808542465, 1347570775, 4042712325, 6737853875, 20213561625]

約数ペア:

[(1, 20213561625), (3, 6737853875), (5, 4042712325), (15, 1347570775), (25, 808542465), (31, 652050375), (75, 269514155), (93, 217350125), (125, 161708493), (155, 130410075), (311, 64995375), (375, 53902831), (465, 43470025), (775, 26082015), (933, 21665125), (1555, 12999075), (2325, 8694005), (3875, 5216403), (4665, 4333025), (5591, 3615375), (7775, 2599815), (9641, 2096625), (11625, 1738801), (16773, 1205125), (23325, 866605), (27955, 723075), (28923, 698875), (38875, 519963), (48205, 419325), (83865, 241025), (116625, 173321), (139775, 144615)]