20261770

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15467}}^1$

素因数の和:15605

約数の個数: 16

約数和(自身を含む): 36751968

約数和(自身を除く): 16490198

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 15467, 30934, 77335, 154670, 2026177, 4052354, 10130885, 20261770]

約数ペア:

[(1, 20261770), (2, 10130885), (5, 4052354), (10, 2026177), (131, 154670), (262, 77335), (655, 30934), (1310, 15467)]