20964615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8681}}^1$

素因数の和:8719

約数の個数: 32

約数和(自身を含む): 40006656

約数和(自身を除く): 19042041

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8681, 26043, 43405, 60767, 130215, 182301, 199663, 303835, 598989, 911505, 998315, 1397641, 2994945, 4192923, 6988205, 20964615]

約数ペア:

[(1, 20964615), (3, 6988205), (5, 4192923), (7, 2994945), (15, 1397641), (21, 998315), (23, 911505), (35, 598989), (69, 303835), (105, 199663), (115, 182301), (161, 130215), (345, 60767), (483, 43405), (805, 26043), (2415, 8681)]