20402402

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{3019}}^1$

素因数の和:3161

約数の個数: 16

約数和(自身を含む): 31891200

約数和(自身を除く): 11488798

約数列:

[1, 2, 31, 62, 109, 218, 3019, 3379, 6038, 6758, 93589, 187178, 329071, 658142, 10201201, 20402402]

約数ペア:

[(1, 20402402), (2, 10201201), (31, 658142), (62, 329071), (109, 187178), (218, 93589), (3019, 6758), (3379, 6038)]