20161700660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{899273}}^1$

素因数の和:899360

約数の個数: 48

約数和(自身を含む): 45323409600

約数和(自身を除く): 25161708940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 4484, 5605, 11210, 22420, 899273, 1798546, 3597092, 4496365, 8992730, 17086187, 17985460, 34172374, 53057107, 68344748, 85430935, 106114214, 170861870, 212228428, 265285535, 341723740, 530571070, 1008085033, 1061142140, 2016170066, 4032340132, 5040425165, 10080850330, 20161700660]

約数ペア:

[(1, 20161700660), (2, 10080850330), (4, 5040425165), (5, 4032340132), (10, 2016170066), (19, 1061142140), (20, 1008085033), (38, 530571070), (59, 341723740), (76, 265285535), (95, 212228428), (118, 170861870), (190, 106114214), (236, 85430935), (295, 68344748), (380, 53057107), (590, 34172374), (1121, 17985460), (1180, 17086187), (2242, 8992730), (4484, 4496365), (5605, 3597092), (11210, 1798546), (22420, 899273)]