20774025

素因数分解:

$3^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{727}}^1$

素因数の和:870

約数の個数: 36

約数和(自身を含む): 37553152

約数和(自身を除く): 16779127

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 127, 225, 381, 635, 727, 1143, 1905, 2181, 3175, 3635, 5715, 6543, 9525, 10905, 18175, 28575, 32715, 54525, 92329, 163575, 276987, 461645, 830961, 1384935, 2308225, 4154805, 6924675, 20774025]

約数ペア:

[(1, 20774025), (3, 6924675), (5, 4154805), (9, 2308225), (15, 1384935), (25, 830961), (45, 461645), (75, 276987), (127, 163575), (225, 92329), (381, 54525), (635, 32715), (727, 28575), (1143, 18175), (1905, 10905), (2181, 9525), (3175, 6543), (3635, 5715)]