20625436

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{2347}}^1$

素因数の和:2390

約数の個数: 24

約数和(自身を含む): 39117680

約数和(自身を除く): 18492244

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2197, 2347, 4394, 4694, 8788, 9388, 30511, 61022, 122044, 396643, 793286, 1586572, 5156359, 10312718, 20625436]

約数ペア:

[(1, 20625436), (2, 10312718), (4, 5156359), (13, 1586572), (26, 793286), (52, 396643), (169, 122044), (338, 61022), (676, 30511), (2197, 9388), (2347, 8788), (4394, 4694)]