20179855

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{463}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 25390080

約数和(自身を除く): 5210225

約数列:

[1, 5, 23, 115, 379, 463, 1895, 2315, 8717, 10649, 43585, 53245, 175477, 877385, 4035971, 20179855]

約数ペア:

[(1, 20179855), (5, 4035971), (23, 877385), (115, 175477), (379, 53245), (463, 43585), (1895, 10649), (2315, 8717)]