20271309

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1553}}^1$

素因数の和:1804

約数の個数: 16

約数和(自身を含む): 28593600

約数和(自身を除く): 8322291

約数列:

[1, 3, 19, 57, 229, 687, 1553, 4351, 4659, 13053, 29507, 88521, 355637, 1066911, 6757103, 20271309]

約数ペア:

[(1, 20271309), (3, 6757103), (19, 1066911), (57, 355637), (229, 88521), (687, 29507), (1553, 13053), (4351, 4659)]