20159069968

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{123439}}^1$

素因数の和:123679

約数の個数: 40

約数和(自身を含む): 39950121600

約数和(自身を除く): 19791051632

約数列:

[1, 2, 4, 8, 16, 59, 118, 173, 236, 346, 472, 692, 944, 1384, 2768, 10207, 20414, 40828, 81656, 123439, 163312, 246878, 493756, 987512, 1975024, 7282901, 14565802, 21354947, 29131604, 42709894, 58263208, 85419788, 116526416, 170839576, 341679152, 1259941873, 2519883746, 5039767492, 10079534984, 20159069968]

約数ペア:

[(1, 20159069968), (2, 10079534984), (4, 5039767492), (8, 2519883746), (16, 1259941873), (59, 341679152), (118, 170839576), (173, 116526416), (236, 85419788), (346, 58263208), (472, 42709894), (692, 29131604), (944, 21354947), (1384, 14565802), (2768, 7282901), (10207, 1975024), (20414, 987512), (40828, 493756), (81656, 246878), (123439, 163312)]