20201998568

素因数分解:

$2^3\times {\mathrm{1619}}^1\times {\mathrm{1559759}}^1$

素因数の和:1561384

約数の個数: 16

約数和(自身を含む): 37902168000

約数和(自身を除く): 17700169432

約数列:

[1, 2, 4, 8, 1619, 3238, 6476, 12952, 1559759, 3119518, 6239036, 12478072, 2525249821, 5050499642, 10100999284, 20201998568]

約数ペア:

[(1, 20201998568), (2, 10100999284), (4, 5050499642), (8, 2525249821), (1619, 12478072), (3238, 6239036), (6476, 3119518), (12952, 1559759)]