20212852970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{981683}}^1$

素因数の和:981790

約数の個数: 32

約数和(自身を含む): 38167873920

約数和(自身を除く): 17955020950

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 2059, 4118, 10295, 20590, 981683, 1963366, 4908415, 9816830, 28468807, 56937614, 69699493, 139398986, 142344035, 284688070, 348497465, 696994930, 2021285297, 4042570594, 10106426485, 20212852970]

約数ペア:

[(1, 20212852970), (2, 10106426485), (5, 4042570594), (10, 2021285297), (29, 696994930), (58, 348497465), (71, 284688070), (142, 142344035), (145, 139398986), (290, 69699493), (355, 56937614), (710, 28468807), (2059, 9816830), (4118, 4908415), (10295, 1963366), (20590, 981683)]