20257942768

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1756063}}^1$

素因数の和:1756181

約数の個数: 40

約数和(自身を含む): 45292402688

約数和(自身を除く): 25034459920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2884, 5768, 11536, 1756063, 3512126, 7024252, 12292441, 14048504, 24584882, 28097008, 49169764, 98339528, 180874489, 196679056, 361748978, 723497956, 1266121423, 1446995912, 2532242846, 2893991824, 5064485692, 10128971384, 20257942768]

約数ペア:

[(1, 20257942768), (2, 10128971384), (4, 5064485692), (7, 2893991824), (8, 2532242846), (14, 1446995912), (16, 1266121423), (28, 723497956), (56, 361748978), (103, 196679056), (112, 180874489), (206, 98339528), (412, 49169764), (721, 28097008), (824, 24584882), (1442, 14048504), (1648, 12292441), (2884, 7024252), (5768, 3512126), (11536, 1756063)]