20169908031

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3557}}^1\times {\mathrm{20771}}^1$

素因数の和:24351

約数の個数: 32

約数和(自身を含む): 33110235648

約数和(自身を除く): 12940327617

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 3557, 10671, 20771, 24899, 46241, 62313, 74697, 138723, 145397, 270023, 323687, 436191, 810069, 971061, 1890161, 5670483, 73882447, 221647341, 517177129, 960471811, 1551531387, 2881415433, 6723302677, 20169908031]

約数ペア:

[(1, 20169908031), (3, 6723302677), (7, 2881415433), (13, 1551531387), (21, 960471811), (39, 517177129), (91, 221647341), (273, 73882447), (3557, 5670483), (10671, 1890161), (20771, 971061), (24899, 810069), (46241, 436191), (62313, 323687), (74697, 270023), (138723, 145397)]