20172521740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1069}}^1\times {\mathrm{134789}}^1$

素因数の和:135874

約数の個数: 48

約数和(自身を含む): 48459700800

約数和(自身を除く): 28287179060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1069, 2138, 4276, 5345, 7483, 10690, 14966, 21380, 29932, 37415, 74830, 134789, 149660, 269578, 539156, 673945, 943523, 1347890, 1887046, 2695780, 3774092, 4717615, 9435230, 18870460, 144089441, 288178882, 576357764, 720447205, 1008626087, 1440894410, 2017252174, 2881788820, 4034504348, 5043130435, 10086260870, 20172521740]

約数ペア:

[(1, 20172521740), (2, 10086260870), (4, 5043130435), (5, 4034504348), (7, 2881788820), (10, 2017252174), (14, 1440894410), (20, 1008626087), (28, 720447205), (35, 576357764), (70, 288178882), (140, 144089441), (1069, 18870460), (2138, 9435230), (4276, 4717615), (5345, 3774092), (7483, 2695780), (10690, 1887046), (14966, 1347890), (21380, 943523), (29932, 673945), (37415, 539156), (74830, 269578), (134789, 149660)]