20185879912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{1861}}^1\times {\mathrm{123259}}^1$

素因数の和:125137

約数の個数: 32

約数和(自身を含む): 41311821600

約数和(自身を除く): 21125941688

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 1861, 3722, 7444, 14888, 20471, 40942, 81884, 123259, 163768, 246518, 493036, 986072, 1355849, 2711698, 5423396, 10846792, 229384999, 458769998, 917539996, 1835079992, 2523234989, 5046469978, 10092939956, 20185879912]

約数ペア:

[(1, 20185879912), (2, 10092939956), (4, 5046469978), (8, 2523234989), (11, 1835079992), (22, 917539996), (44, 458769998), (88, 229384999), (1861, 10846792), (3722, 5423396), (7444, 2711698), (14888, 1355849), (20471, 986072), (40942, 493036), (81884, 246518), (123259, 163768)]