20856310

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{6301}}^1$

素因数の和:6639

約数の個数: 16

約数和(自身を含む): 37660752

約数和(自身を除く): 16804442

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 6301, 12602, 31505, 63010, 2085631, 4171262, 10428155, 20856310]

約数ペア:

[(1, 20856310), (2, 10428155), (5, 4171262), (10, 2085631), (331, 63010), (662, 31505), (1655, 12602), (3310, 6301)]