20510630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2593}}^1$

素因数の和:2720

約数の個数: 32

約数和(自身を含む): 42583104

約数和(自身を除く): 22072474

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 2593, 3955, 5186, 7910, 12965, 18151, 25930, 36302, 90755, 181510, 293009, 586018, 1465045, 2051063, 2930090, 4102126, 10255315, 20510630]

約数ペア:

[(1, 20510630), (2, 10255315), (5, 4102126), (7, 2930090), (10, 2051063), (14, 1465045), (35, 586018), (70, 293009), (113, 181510), (226, 90755), (565, 36302), (791, 25930), (1130, 18151), (1582, 12965), (2593, 7910), (3955, 5186)]