20895555

素因数分解:

$3^1\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1471}}^1$

素因数の和:2426

約数の個数: 16

約数和(自身を含む): 33490944

約数和(自身を除く): 12595389

約数列:

[1, 3, 5, 15, 947, 1471, 2841, 4413, 4735, 7355, 14205, 22065, 1393037, 4179111, 6965185, 20895555]

約数ペア:

[(1, 20895555), (3, 6965185), (5, 4179111), (15, 1393037), (947, 22065), (1471, 14205), (2841, 7355), (4413, 4735)]