20511410

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70729}}^1$

素因数の和:70765

約数の個数: 16

約数和(自身を含む): 38194200

約数和(自身を除く): 17682790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70729, 141458, 353645, 707290, 2051141, 4102282, 10255705, 20511410]

約数ペア:

[(1, 20511410), (2, 10255705), (5, 4102282), (10, 2051141), (29, 707290), (58, 353645), (145, 141458), (290, 70729)]