20028805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2333}}^1$

素因数の和:2456

約数の個数: 16

約数和(自身を含む): 25711344

約数和(自身を除く): 5682539

約数列:

[1, 5, 17, 85, 101, 505, 1717, 2333, 8585, 11665, 39661, 198305, 235633, 1178165, 4005761, 20028805]

約数ペア:

[(1, 20028805), (5, 4005761), (17, 1178165), (85, 235633), (101, 198305), (505, 39661), (1717, 11665), (2333, 8585)]