20568496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98887}}^1$

素因数の和:98908

約数の個数: 20

約数和(自身を含む): 42917392

約数和(自身を除く): 22348896

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98887, 197774, 395548, 791096, 1285531, 1582192, 2571062, 5142124, 10284248, 20568496]

約数ペア:

[(1, 20568496), (2, 10284248), (4, 5142124), (8, 2571062), (13, 1582192), (16, 1285531), (26, 791096), (52, 395548), (104, 197774), (208, 98887)]