20180462005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1741}}^1\times {\mathrm{2887}}^1$

素因数の和:4717

約数の個数: 32

約数和(自身を含む): 26804613888

約数和(自身を除く): 6624151883

約数列:

[1, 5, 11, 55, 73, 365, 803, 1741, 2887, 4015, 8705, 14435, 19151, 31757, 95755, 127093, 158785, 210751, 635465, 1053755, 1398023, 2318261, 5026267, 6990115, 11591305, 25131335, 55288937, 276444685, 366917491, 1834587455, 4036092401, 20180462005]

約数ペア:

[(1, 20180462005), (5, 4036092401), (11, 1834587455), (55, 366917491), (73, 276444685), (365, 55288937), (803, 25131335), (1741, 11591305), (2887, 6990115), (4015, 5026267), (8705, 2318261), (14435, 1398023), (19151, 1053755), (31757, 635465), (95755, 210751), (127093, 158785)]