20521589

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2797}}^1$

素因数の和:2860

約数の個数: 16

約数和(自身を含む): 24174720

約数和(自身を除く): 3653131

約数列:

[1, 11, 23, 29, 253, 319, 667, 2797, 7337, 30767, 64331, 81113, 707641, 892243, 1865599, 20521589]

約数ペア:

[(1, 20521589), (11, 1865599), (23, 892243), (29, 707641), (253, 81113), (319, 64331), (667, 30767), (2797, 7337)]