20775095

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1493}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 28613088

約数和(自身を除く): 7837993

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 1493, 2783, 7465, 13915, 16423, 34339, 82115, 171695, 180653, 377729, 903265, 1888645, 4155019, 20775095]

約数ペア:

[(1, 20775095), (5, 4155019), (11, 1888645), (23, 903265), (55, 377729), (115, 180653), (121, 171695), (253, 82115), (605, 34339), (1265, 16423), (1493, 13915), (2783, 7465)]