20516938

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{601}}^1$

素因数の和:730

約数の個数: 24

約数和(自身を含む): 33710796

約数和(自身を除く): 13193858

約数列:

[1, 2, 13, 26, 101, 169, 202, 338, 601, 1202, 1313, 2626, 7813, 15626, 17069, 34138, 60701, 101569, 121402, 203138, 789113, 1578226, 10258469, 20516938]

約数ペア:

[(1, 20516938), (2, 10258469), (13, 1578226), (26, 789113), (101, 203138), (169, 121402), (202, 101569), (338, 60701), (601, 34138), (1202, 17069), (1313, 15626), (2626, 7813)]