19800645

素因数分解:

$3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{3677}}^1$

素因数の和:4044

約数の個数: 16

約数和(自身を含む): 31777920

約数和(自身を除く): 11977275

約数列:

[1, 3, 5, 15, 359, 1077, 1795, 3677, 5385, 11031, 18385, 55155, 1320043, 3960129, 6600215, 19800645]

約数ペア:

[(1, 19800645), (3, 6600215), (5, 3960129), (15, 1320043), (359, 55155), (1077, 18385), (1795, 11031), (3677, 5385)]