20788995

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 34417152

約数和(自身を除く): 13628157

約数列:

[1, 3, 5, 15, 43, 129, 167, 193, 215, 501, 579, 645, 835, 965, 2505, 2895, 7181, 8299, 21543, 24897, 32231, 35905, 41495, 96693, 107715, 124485, 161155, 483465, 1385933, 4157799, 6929665, 20788995]

約数ペア:

[(1, 20788995), (3, 6929665), (5, 4157799), (15, 1385933), (43, 483465), (129, 161155), (167, 124485), (193, 107715), (215, 96693), (501, 41495), (579, 35905), (645, 32231), (835, 24897), (965, 21543), (2505, 8299), (2895, 7181)]