20543625

素因数分解:

$3^4\times 5^3\times {\mathrm{2029}}^1$

素因数の和:2056

約数の個数: 40

約数和(自身を含む): 38318280

約数和(自身を除く): 17774655

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 2025, 2029, 3375, 6087, 10125, 10145, 18261, 30435, 50725, 54783, 91305, 152175, 164349, 253625, 273915, 456525, 760875, 821745, 1369575, 2282625, 4108725, 6847875, 20543625]

約数ペア:

[(1, 20543625), (3, 6847875), (5, 4108725), (9, 2282625), (15, 1369575), (25, 821745), (27, 760875), (45, 456525), (75, 273915), (81, 253625), (125, 164349), (135, 152175), (225, 91305), (375, 54783), (405, 50725), (675, 30435), (1125, 18261), (2025, 10145), (2029, 10125), (3375, 6087)]