20548154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40609}}^1$

素因数の和:40645

約数の個数: 16

約数和(自身を含む): 35087040

約数和(自身を除く): 14538886

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40609, 81218, 446699, 893398, 934007, 1868014, 10274077, 20548154]

約数ペア:

[(1, 20548154), (2, 10274077), (11, 1868014), (22, 934007), (23, 893398), (46, 446699), (253, 81218), (506, 40609)]