20171505860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{827}}^1\times {\mathrm{10079}}^1$

素因数の和:10937

約数の個数: 72

約数和(自身を含む): 46622096640

約数和(自身を除く): 26450590780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 827, 1210, 1654, 2420, 3308, 4135, 8270, 9097, 10079, 16540, 18194, 20158, 36388, 40316, 45485, 50395, 90970, 100067, 100790, 110869, 181940, 200134, 201580, 221738, 400268, 443476, 500335, 554345, 1000670, 1108690, 1219559, 2001340, 2217380, 2439118, 4878236, 6097795, 8335333, 12195590, 16670666, 24391180, 33341332, 41676665, 83353330, 91688663, 166706660, 183377326, 366754652, 458443315, 916886630, 1008575293, 1833773260, 2017150586, 4034301172, 5042876465, 10085752930, 20171505860]

約数ペア:

[(1, 20171505860), (2, 10085752930), (4, 5042876465), (5, 4034301172), (10, 2017150586), (11, 1833773260), (20, 1008575293), (22, 916886630), (44, 458443315), (55, 366754652), (110, 183377326), (121, 166706660), (220, 91688663), (242, 83353330), (484, 41676665), (605, 33341332), (827, 24391180), (1210, 16670666), (1654, 12195590), (2420, 8335333), (3308, 6097795), (4135, 4878236), (8270, 2439118), (9097, 2217380), (10079, 2001340), (16540, 1219559), (18194, 1108690), (20158, 1000670), (36388, 554345), (40316, 500335), (45485, 443476), (50395, 400268), (90970, 221738), (100067, 201580), (100790, 200134), (110869, 181940)]