20163405968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74130169}}^1$

素因数の和:74130194

約数の個数: 20

約数和(自身を含む): 41364634860

約数和(自身を除く): 21201228892

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74130169, 148260338, 296520676, 593041352, 1186082704, 1260212873, 2520425746, 5040851492, 10081702984, 20163405968]

約数ペア:

[(1, 20163405968), (2, 10081702984), (4, 5040851492), (8, 2520425746), (16, 1260212873), (17, 1186082704), (34, 593041352), (68, 296520676), (136, 148260338), (272, 74130169)]