20120221154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{12959}}^1\times {\mathrm{70573}}^1$

素因数の和:83545

約数の個数: 16

約数和(自身を含む): 32927005440

約数和(自身を除く): 12806784286

約数列:

[1, 2, 11, 22, 12959, 25918, 70573, 141146, 142549, 285098, 776303, 1552606, 914555507, 1829111014, 10060110577, 20120221154]

約数ペア:

[(1, 20120221154), (2, 10060110577), (11, 1829111014), (22, 914555507), (12959, 1552606), (25918, 776303), (70573, 285098), (141146, 142549)]