20661398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{18749}}^1$

素因数の和:18799

約数の個数: 16

約数和(自身を含む): 33750000

約数和(自身を除く): 13088602

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 18749, 37498, 356231, 543721, 712462, 1087442, 10330699, 20661398]

約数ペア:

[(1, 20661398), (2, 10330699), (19, 1087442), (29, 712462), (38, 543721), (58, 356231), (551, 37498), (1102, 18749)]