20001603

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{479}}^1$

素因数の和:962

約数の個数: 16

約数和(自身を含む): 27648000

約数和(自身を除く): 7646397

約数列:

[1, 3, 31, 93, 449, 479, 1347, 1437, 13919, 14849, 41757, 44547, 215071, 645213, 6667201, 20001603]

約数ペア:

[(1, 20001603), (3, 6667201), (31, 645213), (93, 215071), (449, 44547), (479, 41757), (1347, 14849), (1437, 13919)]