20435625

素因数分解:

$3^3\times 5^4\times 7^1\times {\mathrm{173}}^1$

素因数の和:209

約数の個数: 80

約数和(自身を含む): 43486080

約数和(自身を除く): 23050455

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 125, 135, 173, 175, 189, 225, 315, 375, 519, 525, 625, 675, 865, 875, 945, 1125, 1211, 1557, 1575, 1875, 2595, 2625, 3375, 3633, 4325, 4375, 4671, 4725, 5625, 6055, 7785, 7875, 10899, 12975, 13125, 16875, 18165, 21625, 23355, 23625, 30275, 32697, 38925, 39375, 54495, 64875, 90825, 108125, 116775, 118125, 151375, 163485, 194625, 272475, 324375, 454125, 583875, 756875, 817425, 973125, 1362375, 2270625, 2919375, 4087125, 6811875, 20435625]

約数ペア:

[(1, 20435625), (3, 6811875), (5, 4087125), (7, 2919375), (9, 2270625), (15, 1362375), (21, 973125), (25, 817425), (27, 756875), (35, 583875), (45, 454125), (63, 324375), (75, 272475), (105, 194625), (125, 163485), (135, 151375), (173, 118125), (175, 116775), (189, 108125), (225, 90825), (315, 64875), (375, 54495), (519, 39375), (525, 38925), (625, 32697), (675, 30275), (865, 23625), (875, 23355), (945, 21625), (1125, 18165), (1211, 16875), (1557, 13125), (1575, 12975), (1875, 10899), (2595, 7875), (2625, 7785), (3375, 6055), (3633, 5625), (4325, 4725), (4375, 4671)]