20868774

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1559}}^1$

素因数の和:1684

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 23160666

約数列:

[1, 2, 3, 6, 23, 46, 69, 97, 138, 194, 291, 582, 1559, 2231, 3118, 4462, 4677, 6693, 9354, 13386, 35857, 71714, 107571, 151223, 215142, 302446, 453669, 907338, 3478129, 6956258, 10434387, 20868774]

約数ペア:

[(1, 20868774), (2, 10434387), (3, 6956258), (6, 3478129), (23, 907338), (46, 453669), (69, 302446), (97, 215142), (138, 151223), (194, 107571), (291, 71714), (582, 35857), (1559, 13386), (2231, 9354), (3118, 6693), (4462, 4677)]