20746583137

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1\times {\mathrm{523}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 24289286400

約数和(自身を除く): 3542703263

約数列:

[1, 7, 73, 149, 511, 521, 523, 1043, 3647, 3661, 10877, 38033, 38179, 76139, 77629, 77927, 266231, 267253, 272483, 543403, 545489, 1907381, 5666917, 5688671, 19891259, 39668419, 39820697, 40599967, 139238813, 284199769, 2963797591, 20746583137]

約数ペア:

[(1, 20746583137), (7, 2963797591), (73, 284199769), (149, 139238813), (511, 40599967), (521, 39820697), (523, 39668419), (1043, 19891259), (3647, 5688671), (3661, 5666917), (10877, 1907381), (38033, 545489), (38179, 543403), (76139, 272483), (77629, 267253), (77927, 266231)]