20120123084

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{780697}}^1$

素因数の和:781097

約数の個数: 24

約数和(自身を含む): 37379820240

約数和(自身を除く): 17259697156

約数列:

[1, 2, 4, 17, 34, 68, 379, 758, 1516, 6443, 12886, 25772, 780697, 1561394, 3122788, 13271849, 26543698, 53087396, 295884163, 591768326, 1183536652, 5030030771, 10060061542, 20120123084]

約数ペア:

[(1, 20120123084), (2, 10060061542), (4, 5030030771), (17, 1183536652), (34, 591768326), (68, 295884163), (379, 53087396), (758, 26543698), (1516, 13271849), (6443, 3122788), (12886, 1561394), (25772, 780697)]