20946410

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{72229}}^1$

素因数の和:72265

約数の個数: 16

約数和(自身を含む): 39004200

約数和(自身を除く): 18057790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 72229, 144458, 361145, 722290, 2094641, 4189282, 10473205, 20946410]

約数ペア:

[(1, 20946410), (2, 10473205), (5, 4189282), (10, 2094641), (29, 722290), (58, 361145), (145, 144458), (290, 72229)]