2020804955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{12401}}^1$

素因数の和:12551

約数の個数: 32

約数和(自身を含む): 2750267520

約数和(自身を除く): 729462565

約数列:

[1, 5, 13, 23, 65, 109, 115, 299, 545, 1417, 1495, 2507, 7085, 12401, 12535, 32591, 62005, 161213, 162955, 285223, 806065, 1351709, 1426115, 3707899, 6758545, 17572217, 18539495, 31089307, 87861085, 155446535, 404160991, 2020804955]

約数ペア:

[(1, 2020804955), (5, 404160991), (13, 155446535), (23, 87861085), (65, 31089307), (109, 18539495), (115, 17572217), (299, 6758545), (545, 3707899), (1417, 1426115), (1495, 1351709), (2507, 806065), (7085, 285223), (12401, 162955), (12535, 161213), (32591, 62005)]