20189793

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6553}}^1$

素因数の和:6648

約数の個数: 16

約数和(自身を含む): 29361920

約数和(自身を除く): 9172127

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 6553, 19659, 85189, 255567, 517687, 1553061, 6729931, 20189793]

約数ペア:

[(1, 20189793), (3, 6729931), (13, 1553061), (39, 517687), (79, 255567), (237, 85189), (1027, 19659), (3081, 6553)]