20591790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4211}}^1$

素因数の和:4384

約数の個数: 32

約数和(自身を含む): 49735296

約数和(自身を除く): 29143506

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 326, 489, 815, 978, 1630, 2445, 4211, 4890, 8422, 12633, 21055, 25266, 42110, 63165, 126330, 686393, 1372786, 2059179, 3431965, 4118358, 6863930, 10295895, 20591790]

約数ペア:

[(1, 20591790), (2, 10295895), (3, 6863930), (5, 4118358), (6, 3431965), (10, 2059179), (15, 1372786), (30, 686393), (163, 126330), (326, 63165), (489, 42110), (815, 25266), (978, 21055), (1630, 12633), (2445, 8422), (4211, 4890)]