20814645

素因数分解:

$3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{3931}}^1$

素因数の和:4292

約数の個数: 16

約数和(自身を含む): 33406272

約数和(自身を除く): 12591627

約数列:

[1, 3, 5, 15, 353, 1059, 1765, 3931, 5295, 11793, 19655, 58965, 1387643, 4162929, 6938215, 20814645]

約数ペア:

[(1, 20814645), (3, 6938215), (5, 4162929), (15, 1387643), (353, 58965), (1059, 19655), (1765, 11793), (3931, 5295)]