20427945

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{313}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 34665600

約数和(自身を除く): 14237655

約数列:

[1, 3, 5, 15, 19, 57, 95, 229, 285, 313, 687, 939, 1145, 1565, 3435, 4351, 4695, 5947, 13053, 17841, 21755, 29735, 65265, 71677, 89205, 215031, 358385, 1075155, 1361863, 4085589, 6809315, 20427945]

約数ペア:

[(1, 20427945), (3, 6809315), (5, 4085589), (15, 1361863), (19, 1075155), (57, 358385), (95, 215031), (229, 89205), (285, 71677), (313, 65265), (687, 29735), (939, 21755), (1145, 17841), (1565, 13053), (3435, 5947), (4351, 4695)]