20117548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 40674816

約数和(自身を除く): 20557268

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 103, 193, 206, 253, 386, 412, 506, 772, 1012, 1133, 2123, 2266, 2369, 4246, 4439, 4532, 4738, 8492, 8878, 9476, 17756, 19879, 26059, 39758, 48829, 52118, 79516, 97658, 104236, 195316, 218669, 437338, 457217, 874676, 914434, 1828868, 5029387, 10058774, 20117548]

約数ペア:

[(1, 20117548), (2, 10058774), (4, 5029387), (11, 1828868), (22, 914434), (23, 874676), (44, 457217), (46, 437338), (92, 218669), (103, 195316), (193, 104236), (206, 97658), (253, 79516), (386, 52118), (412, 48829), (506, 39758), (772, 26059), (1012, 19879), (1133, 17756), (2123, 9476), (2266, 8878), (2369, 8492), (4246, 4738), (4439, 4532)]