20291870

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 37549440

約数和(自身を除く): 17257570

約数列:

[1, 2, 5, 10, 59, 118, 163, 211, 295, 326, 422, 590, 815, 1055, 1630, 2110, 9617, 12449, 19234, 24898, 34393, 48085, 62245, 68786, 96170, 124490, 171965, 343930, 2029187, 4058374, 10145935, 20291870]

約数ペア:

[(1, 20291870), (2, 10145935), (5, 4058374), (10, 2029187), (59, 343930), (118, 171965), (163, 124490), (211, 96170), (295, 68786), (326, 62245), (422, 48085), (590, 34393), (815, 24898), (1055, 19234), (1630, 12449), (2110, 9617)]