20953922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50129}}^1$

素因数の和:50161

約数の個数: 16

約数和(自身を含む): 36093600

約数和(自身を除く): 15139678

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50129, 100258, 551419, 952451, 1102838, 1904902, 10476961, 20953922]

約数ペア:

[(1, 20953922), (2, 10476961), (11, 1904902), (19, 1102838), (22, 952451), (38, 551419), (209, 100258), (418, 50129)]