20907508

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{607}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 37452800

約数和(自身を除く): 16545292

約数列:

[1, 2, 4, 79, 109, 158, 218, 316, 436, 607, 1214, 2428, 8611, 17222, 34444, 47953, 66163, 95906, 132326, 191812, 264652, 5226877, 10453754, 20907508]

約数ペア:

[(1, 20907508), (2, 10453754), (4, 5226877), (79, 264652), (109, 191812), (158, 132326), (218, 95906), (316, 66163), (436, 47953), (607, 34444), (1214, 17222), (2428, 8611)]