20229560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38903}}^1$

素因数の和:38927

約数の個数: 32

約数和(自身を含む): 49019040

約数和(自身を除く): 28789480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38903, 77806, 155612, 194515, 311224, 389030, 505739, 778060, 1011478, 1556120, 2022956, 2528695, 4045912, 5057390, 10114780, 20229560]

約数ペア:

[(1, 20229560), (2, 10114780), (4, 5057390), (5, 4045912), (8, 2528695), (10, 2022956), (13, 1556120), (20, 1011478), (26, 778060), (40, 505739), (52, 389030), (65, 311224), (104, 194515), (130, 155612), (260, 77806), (520, 38903)]