20138087740

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{863}}^1\times {\mathrm{9187}}^1$

素因数の和:10186

約数の個数: 48

約数和(自身を含む): 42677010432

約数和(自身を除く): 22538922692

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 863, 1270, 1726, 2540, 3452, 4315, 8630, 9187, 17260, 18374, 36748, 45935, 91870, 109601, 183740, 219202, 438404, 548005, 1096010, 1166749, 2192020, 2333498, 4666996, 5833745, 7928381, 11667490, 15856762, 23334980, 31713524, 39641905, 79283810, 158567620, 1006904387, 2013808774, 4027617548, 5034521935, 10069043870, 20138087740]

約数ペア:

[(1, 20138087740), (2, 10069043870), (4, 5034521935), (5, 4027617548), (10, 2013808774), (20, 1006904387), (127, 158567620), (254, 79283810), (508, 39641905), (635, 31713524), (863, 23334980), (1270, 15856762), (1726, 11667490), (2540, 7928381), (3452, 5833745), (4315, 4666996), (8630, 2333498), (9187, 2192020), (17260, 1166749), (18374, 1096010), (36748, 548005), (45935, 438404), (91870, 219202), (109601, 183740)]