20854076

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1259}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 37784880

約数和(自身を除く): 16930804

約数列:

[1, 2, 4, 41, 82, 101, 164, 202, 404, 1259, 2518, 4141, 5036, 8282, 16564, 51619, 103238, 127159, 206476, 254318, 508636, 5213519, 10427038, 20854076]

約数ペア:

[(1, 20854076), (2, 10427038), (4, 5213519), (41, 508636), (82, 254318), (101, 206476), (164, 127159), (202, 103238), (404, 51619), (1259, 16564), (2518, 8282), (4141, 5036)]