20954758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50131}}^1$

素因数の和:50163

約数の個数: 16

約数和(自身を含む): 36095040

約数和(自身を除く): 15140282

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50131, 100262, 551441, 952489, 1102882, 1904978, 10477379, 20954758]

約数ペア:

[(1, 20954758), (2, 10477379), (11, 1904978), (19, 1102882), (22, 952489), (38, 551441), (209, 100262), (418, 50131)]