20632825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 26823680

約数和(自身を除く): 6190855

約数列:

[1, 5, 25, 31, 79, 155, 337, 395, 775, 1685, 1975, 2449, 8425, 10447, 12245, 26623, 52235, 61225, 133115, 261175, 665575, 825313, 4126565, 20632825]

約数ペア:

[(1, 20632825), (5, 4126565), (25, 825313), (31, 665575), (79, 261175), (155, 133115), (337, 61225), (395, 52235), (775, 26623), (1685, 12245), (1975, 10447), (2449, 8425)]