20802525

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4547}}^1$

素因数の和:4621

約数の個数: 24

約数和(自身を含む): 34965024

約数和(自身を除く): 14162499

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4547, 4575, 13641, 22735, 68205, 113675, 277367, 341025, 832101, 1386835, 4160505, 6934175, 20802525]

約数ペア:

[(1, 20802525), (3, 6934175), (5, 4160505), (15, 1386835), (25, 832101), (61, 341025), (75, 277367), (183, 113675), (305, 68205), (915, 22735), (1525, 13641), (4547, 4575)]