20925196

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 37497600

約数和(自身を除く): 16572404

約数列:

[1, 2, 4, 61, 122, 191, 244, 382, 449, 764, 898, 1796, 11651, 23302, 27389, 46604, 54778, 85759, 109556, 171518, 343036, 5231299, 10462598, 20925196]

約数ペア:

[(1, 20925196), (2, 10462598), (4, 5231299), (61, 343036), (122, 171518), (191, 109556), (244, 85759), (382, 54778), (449, 46604), (764, 27389), (898, 23302), (1796, 11651)]