20124478

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:768

約数の個数: 24

約数和(自身を含む): 33477696

約数和(自身を除く): 13353218

約数列:

[1, 2, 11, 22, 121, 137, 242, 274, 607, 1214, 1507, 3014, 6677, 13354, 16577, 33154, 73447, 83159, 146894, 166318, 914749, 1829498, 10062239, 20124478]

約数ペア:

[(1, 20124478), (2, 10062239), (11, 1829498), (22, 914749), (121, 166318), (137, 146894), (242, 83159), (274, 73447), (607, 33154), (1214, 16577), (1507, 13354), (3014, 6677)]