20257435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2129}}^1$

素因数の和:2318

約数の個数: 16

約数和(自身を含む): 26684640

約数和(自身を除く): 6427205

約数列:

[1, 5, 11, 55, 173, 865, 1903, 2129, 9515, 10645, 23419, 117095, 368317, 1841585, 4051487, 20257435]

約数ペア:

[(1, 20257435), (5, 4051487), (11, 1841585), (55, 368317), (173, 117095), (865, 23419), (1903, 10645), (2129, 9515)]