20000709

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15761}}^1$

素因数の和:15817

約数の個数: 16

約数和(自身を含む): 30263040

約数和(自身を除く): 10262331

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15761, 47283, 141849, 425547, 740767, 2222301, 6666903, 20000709]

約数ペア:

[(1, 20000709), (3, 6666903), (9, 2222301), (27, 740767), (47, 425547), (141, 141849), (423, 47283), (1269, 15761)]