20351109

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{641}}^1$

素因数の和:1220

約数の個数: 16

約数和(自身を含む): 28658880

約数和(自身を除く): 8307771

約数列:

[1, 3, 19, 57, 557, 641, 1671, 1923, 10583, 12179, 31749, 36537, 357037, 1071111, 6783703, 20351109]

約数ペア:

[(1, 20351109), (3, 6783703), (19, 1071111), (57, 357037), (557, 36537), (641, 31749), (1671, 12179), (1923, 10583)]