20213641511

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1049}}^1\times {\mathrm{144883}}^1$

素因数の和:145958

約数の個数: 16

約数和(自身を含む): 24340512000

約数和(自身を除く): 4126870489

約数列:

[1, 7, 19, 133, 1049, 7343, 19931, 139517, 144883, 1014181, 2752777, 19269439, 151982267, 1063875869, 2887663073, 20213641511]

約数ペア:

[(1, 20213641511), (7, 2887663073), (19, 1063875869), (133, 151982267), (1049, 19269439), (7343, 2752777), (19931, 1014181), (139517, 144883)]