20264270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1607}}^1$

素因数の和:1724

約数の個数: 32

約数和(自身を含む): 39711168

約数和(自身を除く): 19446898

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1261, 1607, 2522, 3214, 6305, 8035, 12610, 16070, 20891, 41782, 104455, 155879, 208910, 311758, 779395, 1558790, 2026427, 4052854, 10132135, 20264270]

約数ペア:

[(1, 20264270), (2, 10132135), (5, 4052854), (10, 2026427), (13, 1558790), (26, 779395), (65, 311758), (97, 208910), (130, 155879), (194, 104455), (485, 41782), (970, 20891), (1261, 16070), (1607, 12610), (2522, 8035), (3214, 6305)]