20893455

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42209}}^1$

素因数の和:42231

約数の個数: 24

約数和(自身を含む): 39508560

約数和(自身を除く): 18615105

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 42209, 126627, 211045, 379881, 464299, 633135, 1392897, 1899405, 2321495, 4178691, 6964485, 20893455]

約数ペア:

[(1, 20893455), (3, 6964485), (5, 4178691), (9, 2321495), (11, 1899405), (15, 1392897), (33, 633135), (45, 464299), (55, 379881), (99, 211045), (165, 126627), (495, 42209)]