20117829907

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1\times {\mathrm{4339}}^1$

素因数の和:4927

約数の個数: 32

約数和(自身を含む): 24598425600

約数和(自身を除く): 4480595693

約数列:

[1, 7, 19, 71, 133, 491, 497, 1349, 3437, 4339, 9329, 9443, 30373, 34861, 65303, 82441, 244027, 308069, 577087, 662359, 2130449, 2156483, 4636513, 5853311, 14913143, 40478531, 40973177, 151261879, 283349717, 1058833153, 2873975701, 20117829907]

約数ペア:

[(1, 20117829907), (7, 2873975701), (19, 1058833153), (71, 283349717), (133, 151261879), (491, 40973177), (497, 40478531), (1349, 14913143), (3437, 5853311), (4339, 4636513), (9329, 2156483), (9443, 2130449), (30373, 662359), (34861, 577087), (65303, 308069), (82441, 244027)]