20138236090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{2381}}^1$

素因数の和:2864

約数の個数: 96

約数和(自身を含む): 43316250768

約数和(自身を除く): 23178014678

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 421, 490, 574, 842, 1435, 2009, 2105, 2381, 2870, 2947, 4018, 4210, 4762, 5894, 10045, 11905, 14735, 16667, 17261, 20090, 20629, 23810, 29470, 33334, 34522, 41258, 83335, 86305, 97621, 103145, 116669, 120827, 166670, 172610, 195242, 206290, 233338, 241654, 488105, 583345, 604135, 683347, 845789, 976210, 1002401, 1166690, 1208270, 1366694, 1691578, 2004802, 3416735, 4228945, 4783429, 5012005, 6833470, 7016807, 8457890, 9566858, 10024010, 14033614, 23917145, 35084035, 41098441, 47834290, 49117649, 70168070, 82196882, 98235298, 205492205, 245588245, 287689087, 410984410, 491176490, 575378174, 1438445435, 2013823609, 2876890870, 4027647218, 10069118045, 20138236090]

約数ペア:

[(1, 20138236090), (2, 10069118045), (5, 4027647218), (7, 2876890870), (10, 2013823609), (14, 1438445435), (35, 575378174), (41, 491176490), (49, 410984410), (70, 287689087), (82, 245588245), (98, 205492205), (205, 98235298), (245, 82196882), (287, 70168070), (410, 49117649), (421, 47834290), (490, 41098441), (574, 35084035), (842, 23917145), (1435, 14033614), (2009, 10024010), (2105, 9566858), (2381, 8457890), (2870, 7016807), (2947, 6833470), (4018, 5012005), (4210, 4783429), (4762, 4228945), (5894, 3416735), (10045, 2004802), (11905, 1691578), (14735, 1366694), (16667, 1208270), (17261, 1166690), (20090, 1002401), (20629, 976210), (23810, 845789), (29470, 683347), (33334, 604135), (34522, 583345), (41258, 488105), (83335, 241654), (86305, 233338), (97621, 206290), (103145, 195242), (116669, 172610), (120827, 166670)]