20648830

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{50363}}^1$

素因数の和:50411

約数の個数: 16

約数和(自身を含む): 38075184

約数和(自身を除く): 17426354

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 50363, 100726, 251815, 503630, 2064883, 4129766, 10324415, 20648830]

約数ペア:

[(1, 20648830), (2, 10324415), (5, 4129766), (10, 2064883), (41, 503630), (82, 251815), (205, 100726), (410, 50363)]