20720622

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1259}}^1$

素因数の和:1488

約数の個数: 32

約数和(自身を含む): 44876160

約数和(自身を除く): 24155538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 211, 422, 633, 1259, 1266, 2518, 2743, 3777, 5486, 7554, 8229, 16367, 16458, 32734, 49101, 98202, 265649, 531298, 796947, 1593894, 3453437, 6906874, 10360311, 20720622]

約数ペア:

[(1, 20720622), (2, 10360311), (3, 6906874), (6, 3453437), (13, 1593894), (26, 796947), (39, 531298), (78, 265649), (211, 98202), (422, 49101), (633, 32734), (1259, 16458), (1266, 16367), (2518, 8229), (2743, 7554), (3777, 5486)]