20815530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{693851}}^1$

素因数の和:693861

約数の個数: 16

約数和(自身を含む): 49957344

約数和(自身を除く): 29141814

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 693851, 1387702, 2081553, 3469255, 4163106, 6938510, 10407765, 20815530]

約数ペア:

[(1, 20815530), (2, 10407765), (3, 6938510), (5, 4163106), (6, 3469255), (10, 2081553), (15, 1387702), (30, 693851)]