20456418

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 41932800

約数和(自身を除く): 21476382

約数列:

[1, 2, 3, 6, 79, 103, 158, 206, 237, 309, 419, 474, 618, 838, 1257, 2514, 8137, 16274, 24411, 33101, 43157, 48822, 66202, 86314, 99303, 129471, 198606, 258942, 3409403, 6818806, 10228209, 20456418]

約数ペア:

[(1, 20456418), (2, 10228209), (3, 6818806), (6, 3409403), (79, 258942), (103, 198606), (158, 129471), (206, 99303), (237, 86314), (309, 66202), (419, 48822), (474, 43157), (618, 33101), (838, 24411), (1257, 16274), (2514, 8137)]