20530029

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16981}}^1$

素因数の和:17028

約数の個数: 16

約数和(自身を含む): 30431744

約数和(自身を除く): 9901715

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 16981, 50943, 220753, 526411, 662259, 1579233, 6843343, 20530029]

約数ペア:

[(1, 20530029), (3, 6843343), (13, 1579233), (31, 662259), (39, 526411), (93, 220753), (403, 50943), (1209, 16981)]