20164048

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43457}}^1$

素因数の和:43494

約数の個数: 20

約数和(自身を含む): 40415940

約数和(自身を除く): 20251892

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 43457, 86914, 173828, 347656, 695312, 1260253, 2520506, 5041012, 10082024, 20164048]

約数ペア:

[(1, 20164048), (2, 10082024), (4, 5041012), (8, 2520506), (16, 1260253), (29, 695312), (58, 347656), (116, 173828), (232, 86914), (464, 43457)]