20358860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59879}}^1$

素因数の和:59905

約数の個数: 24

約数和(自身を含む): 45269280

約数和(自身を除く): 24910420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 59879, 119758, 239516, 299395, 598790, 1017943, 1197580, 2035886, 4071772, 5089715, 10179430, 20358860]

約数ペア:

[(1, 20358860), (2, 10179430), (4, 5089715), (5, 4071772), (10, 2035886), (17, 1197580), (20, 1017943), (34, 598790), (68, 299395), (85, 239516), (170, 119758), (340, 59879)]