20732584

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 39853440

約数和(自身を除く): 19120856

約数列:

[1, 2, 4, 8, 73, 131, 146, 262, 271, 292, 524, 542, 584, 1048, 1084, 2168, 9563, 19126, 19783, 35501, 38252, 39566, 71002, 76504, 79132, 142004, 158264, 284008, 2591573, 5183146, 10366292, 20732584]

約数ペア:

[(1, 20732584), (2, 10366292), (4, 5183146), (8, 2591573), (73, 284008), (131, 158264), (146, 142004), (262, 79132), (271, 76504), (292, 71002), (524, 39566), (542, 38252), (584, 35501), (1048, 19783), (1084, 19126), (2168, 9563)]