20155160

素因数分解:

$2^3\times 5^1\times {\mathrm{503879}}^1$

素因数の和:503890

約数の個数: 16

約数和(自身を含む): 45349200

約数和(自身を除く): 25194040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503879, 1007758, 2015516, 2519395, 4031032, 5038790, 10077580, 20155160]

約数ペア:

[(1, 20155160), (2, 10077580), (4, 5038790), (5, 4031032), (8, 2519395), (10, 2015516), (20, 1007758), (40, 503879)]