2020978070

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4699949}}^1$

素因数の和:4699999

約数の個数: 16

約数和(自身を含む): 3722360400

約数和(自身を除く): 1701382330

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 4699949, 9399898, 23499745, 46999490, 202097807, 404195614, 1010489035, 2020978070]

約数ペア:

[(1, 2020978070), (2, 1010489035), (5, 404195614), (10, 202097807), (43, 46999490), (86, 23499745), (215, 9399898), (430, 4699949)]