20165754940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{344243}}^1$

素因数の和:344382

約数の個数: 48

約数和(自身を含む): 44242238880

約数和(自身を除く): 24076483940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 101, 116, 145, 202, 290, 404, 505, 580, 1010, 2020, 2929, 5858, 11716, 14645, 29290, 58580, 344243, 688486, 1376972, 1721215, 3442430, 6884860, 9983047, 19966094, 34768543, 39932188, 49915235, 69537086, 99830470, 139074172, 173842715, 199660940, 347685430, 695370860, 1008287747, 2016575494, 4033150988, 5041438735, 10082877470, 20165754940]

約数ペア:

[(1, 20165754940), (2, 10082877470), (4, 5041438735), (5, 4033150988), (10, 2016575494), (20, 1008287747), (29, 695370860), (58, 347685430), (101, 199660940), (116, 173842715), (145, 139074172), (202, 99830470), (290, 69537086), (404, 49915235), (505, 39932188), (580, 34768543), (1010, 19966094), (2020, 9983047), (2929, 6884860), (5858, 3442430), (11716, 1721215), (14645, 1376972), (29290, 688486), (58580, 344243)]