20983792

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{4217}}^1$

素因数の和:4536

約数の個数: 20

約数和(自身を含む): 40796496

約数和(自身を除く): 19812704

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4217, 4976, 8434, 16868, 33736, 67472, 1311487, 2622974, 5245948, 10491896, 20983792]

約数ペア:

[(1, 20983792), (2, 10491896), (4, 5245948), (8, 2622974), (16, 1311487), (311, 67472), (622, 33736), (1244, 16868), (2488, 8434), (4217, 4976)]