20077988

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31177}}^1$

素因数の和:31211

約数の個数: 24

約数和(自身を含む): 41903232

約数和(自身を除く): 21825244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 31177, 62354, 124708, 218239, 436478, 717071, 872956, 1434142, 2868284, 5019497, 10038994, 20077988]

約数ペア:

[(1, 20077988), (2, 10038994), (4, 5019497), (7, 2868284), (14, 1434142), (23, 872956), (28, 717071), (46, 436478), (92, 218239), (161, 124708), (322, 62354), (644, 31177)]