20502404

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{2333}}^1$

素因数の和:2376

約数の個数: 24

約数和(自身を含む): 38884440

約数和(自身を除く): 18382036

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2197, 2333, 4394, 4666, 8788, 9332, 30329, 60658, 121316, 394277, 788554, 1577108, 5125601, 10251202, 20502404]

約数ペア:

[(1, 20502404), (2, 10251202), (4, 5125601), (13, 1577108), (26, 788554), (52, 394277), (169, 121316), (338, 60658), (676, 30329), (2197, 9332), (2333, 8788), (4394, 4666)]