20199113921

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2865529}}^1$

素因数の和:2865608

約数の個数: 16

約数和(自身を含む): 24758179200

約数和(自身を除く): 4559065279

約数列:

[1, 7, 19, 53, 133, 371, 1007, 7049, 2865529, 20058703, 54445051, 151873037, 381115357, 1063111259, 2885587703, 20199113921]

約数ペア:

[(1, 20199113921), (7, 2885587703), (19, 1063111259), (53, 381115357), (133, 151873037), (371, 54445051), (1007, 20058703), (7049, 2865529)]