20707450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14281}}^1$

素因数の和:14322

約数の個数: 24

約数和(自身を含む): 39846780

約数和(自身を除く): 19139330

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14281, 28562, 71405, 142810, 357025, 414149, 714050, 828298, 2070745, 4141490, 10353725, 20707450]

約数ペア:

[(1, 20707450), (2, 10353725), (5, 4141490), (10, 2070745), (25, 828298), (29, 714050), (50, 414149), (58, 357025), (145, 142810), (290, 71405), (725, 28562), (1450, 14281)]