20808630830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1468499}}^1$

素因数の和:1468628

約数の個数: 32

約数和(自身を含む): 40706820000

約数和(自身を除く): 19898189170

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 2834, 7085, 14170, 1468499, 2936998, 7342495, 14684990, 19090487, 38180974, 95452435, 160066391, 190904870, 320132782, 800331955, 1600663910, 2080863083, 4161726166, 10404315415, 20808630830]

約数ペア:

[(1, 20808630830), (2, 10404315415), (5, 4161726166), (10, 2080863083), (13, 1600663910), (26, 800331955), (65, 320132782), (109, 190904870), (130, 160066391), (218, 95452435), (545, 38180974), (1090, 19090487), (1417, 14684990), (2834, 7342495), (7085, 2936998), (14170, 1468499)]