20123497724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5138789}}^1$

素因数の和:5138893

約数の個数: 24

約数和(自身を含む): 38849252400

約数和(自身を除く): 18725754676

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5138789, 10277578, 20555156, 56526679, 113053358, 226106716, 457352221, 914704442, 1829408884, 5030874431, 10061748862, 20123497724]

約数ペア:

[(1, 20123497724), (2, 10061748862), (4, 5030874431), (11, 1829408884), (22, 914704442), (44, 457352221), (89, 226106716), (178, 113053358), (356, 56526679), (979, 20555156), (1958, 10277578), (3916, 5138789)]