20901859329

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{65543}}^1$

素因数の和:65626

約数の個数: 48

約数和(自身を含む): 32817094272

約数和(自身を除く): 11915234943

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 169, 221, 481, 507, 629, 663, 1443, 1887, 2873, 6253, 8177, 8619, 18759, 24531, 65543, 106301, 196629, 318903, 852059, 1114231, 2425091, 2556177, 3342693, 7275273, 11076767, 14485003, 31526183, 33230301, 41226547, 43455009, 94578549, 123679641, 188305039, 409840379, 535945111, 564915117, 1229521137, 1607835333, 6967286443, 20901859329]

約数ペア:

[(1, 20901859329), (3, 6967286443), (13, 1607835333), (17, 1229521137), (37, 564915117), (39, 535945111), (51, 409840379), (111, 188305039), (169, 123679641), (221, 94578549), (481, 43455009), (507, 41226547), (629, 33230301), (663, 31526183), (1443, 14485003), (1887, 11076767), (2873, 7275273), (6253, 3342693), (8177, 2556177), (8619, 2425091), (18759, 1114231), (24531, 852059), (65543, 318903), (106301, 196629)]