20405598

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 41902080

約数和(自身を除く): 21496482

約数列:

[1, 2, 3, 6, 61, 122, 127, 183, 254, 366, 381, 439, 762, 878, 1317, 2634, 7747, 15494, 23241, 26779, 46482, 53558, 55753, 80337, 111506, 160674, 167259, 334518, 3400933, 6801866, 10202799, 20405598]

約数ペア:

[(1, 20405598), (2, 10202799), (3, 6801866), (6, 3400933), (61, 334518), (122, 167259), (127, 160674), (183, 111506), (254, 80337), (366, 55753), (381, 53558), (439, 46482), (762, 26779), (878, 23241), (1317, 15494), (2634, 7747)]