20365857

素因数分解:

$3^3\times {\mathrm{571}}^1\times {\mathrm{1321}}^1$

素因数の和:1901

約数の個数: 16

約数和(自身を含む): 30247360

約数和(自身を除く): 9881503

約数列:

[1, 3, 9, 27, 571, 1321, 1713, 3963, 5139, 11889, 15417, 35667, 754291, 2262873, 6788619, 20365857]

約数ペア:

[(1, 20365857), (3, 6788619), (9, 2262873), (27, 754291), (571, 35667), (1321, 15417), (1713, 11889), (3963, 5139)]