20578269

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1\times {\mathrm{571}}^1$

素因数の和:908

約数の個数: 16

約数和(自身を含む): 28252224

約数和(自身を除く): 7673955

約数列:

[1, 3, 41, 123, 293, 571, 879, 1713, 12013, 23411, 36039, 70233, 167303, 501909, 6859423, 20578269]

約数ペア:

[(1, 20578269), (3, 6859423), (41, 501909), (123, 167303), (293, 70233), (571, 36039), (879, 23411), (1713, 12013)]