20115849

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6529}}^1$

素因数の和:6624

約数の個数: 16

約数和(自身を含む): 29254400

約数和(自身を除く): 9138551

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 6529, 19587, 84877, 254631, 515791, 1547373, 6705283, 20115849]

約数ペア:

[(1, 20115849), (3, 6705283), (13, 1547373), (39, 515791), (79, 254631), (237, 84877), (1027, 19587), (3081, 6529)]