20760008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2239}}^1$

素因数の和:2325

約数の個数: 32

約数和(自身を含む): 41664000

約数和(自身を除く): 20903992

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2239, 2318, 4478, 4636, 8956, 9272, 17912, 42541, 85082, 136579, 170164, 273158, 340328, 546316, 1092632, 2595001, 5190002, 10380004, 20760008]

約数ペア:

[(1, 20760008), (2, 10380004), (4, 5190002), (8, 2595001), (19, 1092632), (38, 546316), (61, 340328), (76, 273158), (122, 170164), (152, 136579), (244, 85082), (488, 42541), (1159, 17912), (2239, 9272), (2318, 8956), (4478, 4636)]