20119310

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64901}}^1$

素因数の和:64939

約数の個数: 16

約数和(自身を含む): 37383552

約数和(自身を除く): 17264242

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 64901, 129802, 324505, 649010, 2011931, 4023862, 10059655, 20119310]

約数ペア:

[(1, 20119310), (2, 10059655), (5, 4023862), (10, 2011931), (31, 649010), (62, 324505), (155, 129802), (310, 64901)]