20879364

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{431}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 53415936

約数和(自身を除く): 32536572

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 367, 431, 734, 862, 1101, 1293, 1468, 1724, 2202, 2586, 4037, 4404, 4741, 5172, 8074, 9482, 12111, 14223, 16148, 18964, 24222, 28446, 48444, 56892, 158177, 316354, 474531, 632708, 949062, 1739947, 1898124, 3479894, 5219841, 6959788, 10439682, 20879364]

約数ペア:

[(1, 20879364), (2, 10439682), (3, 6959788), (4, 5219841), (6, 3479894), (11, 1898124), (12, 1739947), (22, 949062), (33, 632708), (44, 474531), (66, 316354), (132, 158177), (367, 56892), (431, 48444), (734, 28446), (862, 24222), (1101, 18964), (1293, 16148), (1468, 14223), (1724, 12111), (2202, 9482), (2586, 8074), (4037, 5172), (4404, 4741)]