20644578

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{13183}}^1$

素因数の和:13223

約数の個数: 32

約数和(自身を含む): 47462400

約数和(自身を除く): 26817822

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 522, 783, 1566, 13183, 26366, 39549, 79098, 118647, 237294, 355941, 382307, 711882, 764614, 1146921, 2293842, 3440763, 6881526, 10322289, 20644578]

約数ペア:

[(1, 20644578), (2, 10322289), (3, 6881526), (6, 3440763), (9, 2293842), (18, 1146921), (27, 764614), (29, 711882), (54, 382307), (58, 355941), (87, 237294), (174, 118647), (261, 79098), (522, 39549), (783, 26366), (1566, 13183)]