20506524

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 29812836

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 191, 276, 382, 389, 573, 764, 778, 1146, 1167, 1556, 2292, 2334, 4393, 4668, 8786, 8947, 13179, 17572, 17894, 26358, 26841, 35788, 52716, 53682, 74299, 107364, 148598, 222897, 297196, 445794, 891588, 1708877, 3417754, 5126631, 6835508, 10253262, 20506524]

約数ペア:

[(1, 20506524), (2, 10253262), (3, 6835508), (4, 5126631), (6, 3417754), (12, 1708877), (23, 891588), (46, 445794), (69, 297196), (92, 222897), (138, 148598), (191, 107364), (276, 74299), (382, 53682), (389, 52716), (573, 35788), (764, 26841), (778, 26358), (1146, 17894), (1167, 17572), (1556, 13179), (2292, 8947), (2334, 8786), (4393, 4668)]