20553605

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6163}}^1$

素因数の和:6220

約数の個数: 16

約数和(自身を含む): 26628480

約数和(自身を除く): 6074875

約数列:

[1, 5, 23, 29, 115, 145, 667, 3335, 6163, 30815, 141749, 178727, 708745, 893635, 4110721, 20553605]

約数ペア:

[(1, 20553605), (5, 4110721), (23, 893635), (29, 708745), (115, 178727), (145, 141749), (667, 30815), (3335, 6163)]