20096973

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 32040372

約数和(自身を除く): 11943399

約数列:

[1, 3, 9, 13, 39, 73, 117, 169, 181, 219, 507, 543, 657, 949, 1521, 1629, 2353, 2847, 7059, 8541, 12337, 13213, 21177, 30589, 37011, 39639, 91767, 111033, 118917, 171769, 275301, 515307, 1545921, 2232997, 6698991, 20096973]

約数ペア:

[(1, 20096973), (3, 6698991), (9, 2232997), (13, 1545921), (39, 515307), (73, 275301), (117, 171769), (169, 118917), (181, 111033), (219, 91767), (507, 39639), (543, 37011), (657, 30589), (949, 21177), (1521, 13213), (1629, 12337), (2353, 8541), (2847, 7059)]