20187028

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 36068480

約数和(自身を除く): 15881452

約数列:

[1, 2, 4, 79, 158, 193, 316, 331, 386, 662, 772, 1324, 15247, 26149, 30494, 52298, 60988, 63883, 104596, 127766, 255532, 5046757, 10093514, 20187028]

約数ペア:

[(1, 20187028), (2, 10093514), (4, 5046757), (79, 255532), (158, 127766), (193, 104596), (316, 63883), (331, 60988), (386, 52298), (662, 30494), (772, 26149), (1324, 15247)]