20340135

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2879}}^1$

素因数の和:3047

約数の個数: 24

約数和(自身を含む): 35493120

約数和(自身を除く): 15152985

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 2879, 7065, 8637, 14395, 25911, 43185, 129555, 452003, 1356009, 2260015, 4068027, 6780045, 20340135]

約数ペア:

[(1, 20340135), (3, 6780045), (5, 4068027), (9, 2260015), (15, 1356009), (45, 452003), (157, 129555), (471, 43185), (785, 25911), (1413, 14395), (2355, 8637), (2879, 7065)]