20992928

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2593}}^1$

素因数の和:2637

約数の個数: 48

約数和(自身を含む): 47065536

約数和(自身を除く): 26072608

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 88, 92, 176, 184, 253, 352, 368, 506, 736, 1012, 2024, 2593, 4048, 5186, 8096, 10372, 20744, 28523, 41488, 57046, 59639, 82976, 114092, 119278, 228184, 238556, 456368, 477112, 656029, 912736, 954224, 1312058, 1908448, 2624116, 5248232, 10496464, 20992928]

約数ペア:

[(1, 20992928), (2, 10496464), (4, 5248232), (8, 2624116), (11, 1908448), (16, 1312058), (22, 954224), (23, 912736), (32, 656029), (44, 477112), (46, 456368), (88, 238556), (92, 228184), (176, 119278), (184, 114092), (253, 82976), (352, 59639), (368, 57046), (506, 41488), (736, 28523), (1012, 20744), (2024, 10372), (2593, 8096), (4048, 5186)]