20678709310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{295410133}}^1$

素因数の和:295410147

約数の個数: 16

約数和(自身を含む): 42539059296

約数和(自身を除く): 21860349986

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 295410133, 590820266, 1477050665, 2067870931, 2954101330, 4135741862, 10339354655, 20678709310]

約数ペア:

[(1, 20678709310), (2, 10339354655), (5, 4135741862), (7, 2954101330), (10, 2067870931), (14, 1477050665), (35, 590820266), (70, 295410133)]