20030875

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 32

約数和(自身を含む): 26462592

約数和(自身を除く): 6431717

約数列:

[1, 5, 25, 37, 61, 71, 125, 185, 305, 355, 925, 1525, 1775, 2257, 2627, 4331, 4625, 7625, 8875, 11285, 13135, 21655, 56425, 65675, 108275, 160247, 282125, 328375, 541375, 801235, 4006175, 20030875]

約数ペア:

[(1, 20030875), (5, 4006175), (25, 801235), (37, 541375), (61, 328375), (71, 282125), (125, 160247), (185, 108275), (305, 65675), (355, 56425), (925, 21655), (1525, 13135), (1775, 11285), (2257, 8875), (2627, 7625), (4331, 4625)]