20085472

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1327}}^1$

素因数の和:1391

約数の個数: 48

約数和(自身を含む): 44174592

約数和(自身を除く): 24089120

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 946, 1327, 1376, 1892, 2654, 3784, 5308, 7568, 10616, 14597, 15136, 21232, 29194, 42464, 57061, 58388, 114122, 116776, 228244, 233552, 456488, 467104, 627671, 912976, 1255342, 1825952, 2510684, 5021368, 10042736, 20085472]

約数ペア:

[(1, 20085472), (2, 10042736), (4, 5021368), (8, 2510684), (11, 1825952), (16, 1255342), (22, 912976), (32, 627671), (43, 467104), (44, 456488), (86, 233552), (88, 228244), (172, 116776), (176, 114122), (344, 58388), (352, 57061), (473, 42464), (688, 29194), (946, 21232), (1327, 15136), (1376, 14597), (1892, 10616), (2654, 7568), (3784, 5308)]