20236421427

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1\times {\mathrm{7639}}^1$

素因数の和:8195

約数の個数: 32

約数和(自身を含む): 28868198400

約数和(自身を除く): 8631776973

約数列:

[1, 3, 17, 51, 127, 381, 409, 1227, 2159, 6477, 6953, 7639, 20859, 22917, 51943, 129863, 155829, 389589, 883031, 970153, 2649093, 2910459, 3124351, 9373053, 16492601, 49477803, 53113967, 159341901, 396792577, 1190377731, 6745473809, 20236421427]

約数ペア:

[(1, 20236421427), (3, 6745473809), (17, 1190377731), (51, 396792577), (127, 159341901), (381, 53113967), (409, 49477803), (1227, 16492601), (2159, 9373053), (6477, 3124351), (6953, 2910459), (7639, 2649093), (20859, 970153), (22917, 883031), (51943, 389589), (129863, 155829)]