20199641

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13807}}^1$

素因数の和:13844

約数の個数: 16

約数和(自身を含む): 26511360

約数和(自身を除く): 6311719

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 13807, 96649, 151877, 262333, 1063139, 1836331, 2885663, 20199641]

約数ペア:

[(1, 20199641), (7, 2885663), (11, 1836331), (19, 1063139), (77, 262333), (133, 151877), (209, 96649), (1463, 13807)]