20677360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23497}}^1$

素因数の和:23521

約数の個数: 40

約数和(自身を含む): 52447536

約数和(自身を除く): 31770176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23497, 46994, 93988, 117485, 187976, 234970, 258467, 375952, 469940, 516934, 939880, 1033868, 1292335, 1879760, 2067736, 2584670, 4135472, 5169340, 10338680, 20677360]

約数ペア:

[(1, 20677360), (2, 10338680), (4, 5169340), (5, 4135472), (8, 2584670), (10, 2067736), (11, 1879760), (16, 1292335), (20, 1033868), (22, 939880), (40, 516934), (44, 469940), (55, 375952), (80, 258467), (88, 234970), (110, 187976), (176, 117485), (220, 93988), (440, 46994), (880, 23497)]