20553730

素因数分解:

$2^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2333}}^1$

素因数の和:3221

約数の個数: 16

約数和(自身を含む): 37054584

約数和(自身を除く): 16500854

約数列:

[1, 2, 5, 10, 881, 1762, 2333, 4405, 4666, 8810, 11665, 23330, 2055373, 4110746, 10276865, 20553730]

約数ペア:

[(1, 20553730), (2, 10276865), (5, 4110746), (10, 2055373), (881, 23330), (1762, 11665), (2333, 8810), (4405, 4666)]