20080321910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2310739}}^1$

素因数の和:2310836

約数の個数: 32

約数和(自身を含む): 39929587200

約数和(自身を除く): 19849265290

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 4345, 8690, 2310739, 4621478, 11553695, 23107390, 25418129, 50836258, 127090645, 182548381, 254181290, 365096762, 912741905, 1825483810, 2008032191, 4016064382, 10040160955, 20080321910]

約数ペア:

[(1, 20080321910), (2, 10040160955), (5, 4016064382), (10, 2008032191), (11, 1825483810), (22, 912741905), (55, 365096762), (79, 254181290), (110, 182548381), (158, 127090645), (395, 50836258), (790, 25418129), (869, 23107390), (1738, 11553695), (4345, 4621478), (8690, 2310739)]