20894970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4273}}^1$

素因数の和:4446

約数の個数: 32

約数和(自身を含む): 50467392

約数和(自身を除く): 29572422

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 326, 489, 815, 978, 1630, 2445, 4273, 4890, 8546, 12819, 21365, 25638, 42730, 64095, 128190, 696499, 1392998, 2089497, 3482495, 4178994, 6964990, 10447485, 20894970]

約数ペア:

[(1, 20894970), (2, 10447485), (3, 6964990), (5, 4178994), (6, 3482495), (10, 2089497), (15, 1392998), (30, 696499), (163, 128190), (326, 64095), (489, 42730), (815, 25638), (978, 21365), (1630, 12819), (2445, 8546), (4273, 4890)]