20080891

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 21888000

約数和(自身を除く): 1807109

約数列:

[1, 19, 47, 113, 199, 893, 2147, 3781, 5311, 9353, 22487, 100909, 177707, 427253, 1056889, 20080891]

約数ペア:

[(1, 20080891), (19, 1056889), (47, 427253), (113, 177707), (199, 100909), (893, 22487), (2147, 9353), (3781, 5311)]