20105337

素因数分解:

$3^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{587}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 31370976

約数和(自身を除く): 11265639

約数列:

[1, 3, 7, 21, 49, 147, 233, 587, 699, 1631, 1761, 4109, 4893, 11417, 12327, 28763, 34251, 86289, 136771, 410313, 957397, 2872191, 6701779, 20105337]

約数ペア:

[(1, 20105337), (3, 6701779), (7, 2872191), (21, 957397), (49, 410313), (147, 136771), (233, 86289), (587, 34251), (699, 28763), (1631, 12327), (1761, 11417), (4109, 4893)]