20475255

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71843}}^1$

素因数の和:71870

約数の個数: 16

約数和(自身を含む): 34485120

約数和(自身を除く): 14009865

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 71843, 215529, 359215, 1077645, 1365017, 4095051, 6825085, 20475255]

約数ペア:

[(1, 20475255), (3, 6825085), (5, 4095051), (15, 1365017), (19, 1077645), (57, 359215), (95, 215529), (285, 71843)]