20924228

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{2381}}^1$

素因数の和:2424

約数の個数: 24

約数和(自身を含む): 39684120

約数和(自身を除く): 18759892

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2197, 2381, 4394, 4762, 8788, 9524, 30953, 61906, 123812, 402389, 804778, 1609556, 5231057, 10462114, 20924228]

約数ペア:

[(1, 20924228), (2, 10462114), (4, 5231057), (13, 1609556), (26, 804778), (52, 402389), (169, 123812), (338, 61906), (676, 30953), (2197, 9524), (2381, 8788), (4394, 4762)]