20875048

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{9029}}^1$

素因数の和:9069

約数の個数: 24

約数和(自身を含む): 41583150

約数和(自身を除く): 20708102

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 9029, 18058, 36116, 72232, 153493, 306986, 613972, 1227944, 2609381, 5218762, 10437524, 20875048]

約数ペア:

[(1, 20875048), (2, 10437524), (4, 5218762), (8, 2609381), (17, 1227944), (34, 613972), (68, 306986), (136, 153493), (289, 72232), (578, 36116), (1156, 18058), (2312, 9029)]