20267868

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 49392000

約数和(自身を除く): 29124132

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 139, 174, 278, 348, 417, 419, 556, 834, 838, 1257, 1668, 1676, 2514, 4031, 5028, 8062, 12093, 12151, 16124, 24186, 24302, 36453, 48372, 48604, 58241, 72906, 116482, 145812, 174723, 232964, 349446, 698892, 1688989, 3377978, 5066967, 6755956, 10133934, 20267868]

約数ペア:

[(1, 20267868), (2, 10133934), (3, 6755956), (4, 5066967), (6, 3377978), (12, 1688989), (29, 698892), (58, 349446), (87, 232964), (116, 174723), (139, 145812), (174, 116482), (278, 72906), (348, 58241), (417, 48604), (419, 48372), (556, 36453), (834, 24302), (838, 24186), (1257, 16124), (1668, 12151), (1676, 12093), (2514, 8062), (4031, 5028)]