20332388

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 36

約数和(自身を含む): 37820160

約数和(自身を除く): 17487772

約数列:

[1, 2, 4, 37, 47, 74, 79, 94, 148, 158, 188, 316, 1369, 1739, 2738, 2923, 3478, 3713, 5476, 5846, 6956, 7426, 11692, 14852, 64343, 108151, 128686, 137381, 216302, 257372, 274762, 432604, 549524, 5083097, 10166194, 20332388]

約数ペア:

[(1, 20332388), (2, 10166194), (4, 5083097), (37, 549524), (47, 432604), (74, 274762), (79, 257372), (94, 216302), (148, 137381), (158, 128686), (188, 108151), (316, 64343), (1369, 14852), (1739, 11692), (2738, 7426), (2923, 6956), (3478, 5846), (3713, 5476)]