20286370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5381}}^1$

素因数の和:5430

約数の個数: 32

約数和(自身を含む): 40687920

約数和(自身を除く): 20401550

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5381, 10762, 26905, 53810, 69953, 139906, 156049, 312098, 349765, 699530, 780245, 1560490, 2028637, 4057274, 10143185, 20286370]

約数ペア:

[(1, 20286370), (2, 10143185), (5, 4057274), (10, 2028637), (13, 1560490), (26, 780245), (29, 699530), (58, 349765), (65, 312098), (130, 156049), (145, 139906), (290, 69953), (377, 53810), (754, 26905), (1885, 10762), (3770, 5381)]