20642588

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5779}}^1$

素因数の和:5849

約数の個数: 24

約数和(自身を含む): 38841600

約数和(自身を除く): 18199012

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 3572, 5779, 11558, 23116, 109801, 219602, 271613, 439204, 543226, 1086452, 5160647, 10321294, 20642588]

約数ペア:

[(1, 20642588), (2, 10321294), (4, 5160647), (19, 1086452), (38, 543226), (47, 439204), (76, 271613), (94, 219602), (188, 109801), (893, 23116), (1786, 11558), (3572, 5779)]