20782404

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3677}}^1$

素因数の和:3844

約数の個数: 36

約数和(自身を含む): 52882284

約数和(自身を除く): 32099880

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3677, 5652, 7354, 11031, 14708, 22062, 33093, 44124, 66186, 132372, 577289, 1154578, 1731867, 2309156, 3463734, 5195601, 6927468, 10391202, 20782404]

約数ペア:

[(1, 20782404), (2, 10391202), (3, 6927468), (4, 5195601), (6, 3463734), (9, 2309156), (12, 1731867), (18, 1154578), (36, 577289), (157, 132372), (314, 66186), (471, 44124), (628, 33093), (942, 22062), (1413, 14708), (1884, 11031), (2826, 7354), (3677, 5652)]