20258121

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1931}}^1$

素因数の和:2216

約数の個数: 16

約数和(自身を含む): 29211840

約数和(自身を除く): 8953719

約数列:

[1, 3, 13, 39, 269, 807, 1931, 3497, 5793, 10491, 25103, 75309, 519439, 1558317, 6752707, 20258121]

約数ペア:

[(1, 20258121), (3, 6752707), (13, 1558317), (39, 519439), (269, 75309), (807, 25103), (1931, 10491), (3497, 5793)]