20172858704

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30751309}}^1$

素因数の和:30751358

約数の個数: 20

約数和(自身を含む): 40038205620

約数和(自身を除く): 19865346916

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30751309, 61502618, 123005236, 246010472, 492020944, 1260803669, 2521607338, 5043214676, 10086429352, 20172858704]

約数ペア:

[(1, 20172858704), (2, 10086429352), (4, 5043214676), (8, 2521607338), (16, 1260803669), (41, 492020944), (82, 246010472), (164, 123005236), (328, 61502618), (656, 30751309)]