20556996838

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{683911}}^1$

素因数の和:684052

約数の個数: 32

約数和(自身を含む): 37423664640

約数和(自身を除く): 16866667802

約数列:

[1, 2, 7, 14, 19, 38, 113, 133, 226, 266, 791, 1582, 2147, 4294, 15029, 30058, 683911, 1367822, 4787377, 9574754, 12994309, 25988618, 77281943, 90960163, 154563886, 181920326, 540973601, 1081947202, 1468356917, 2936713834, 10278498419, 20556996838]

約数ペア:

[(1, 20556996838), (2, 10278498419), (7, 2936713834), (14, 1468356917), (19, 1081947202), (38, 540973601), (113, 181920326), (133, 154563886), (226, 90960163), (266, 77281943), (791, 25988618), (1582, 12994309), (2147, 9574754), (4294, 4787377), (15029, 1367822), (30058, 683911)]