20088224

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1189

約数の個数: 48

約数和(自身を含む): 43620192

約数和(自身を除く): 23531968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1118, 1123, 1376, 2236, 2246, 4472, 4492, 8944, 8984, 14599, 17888, 17968, 29198, 35936, 48289, 58396, 96578, 116792, 193156, 233584, 386312, 467168, 627757, 772624, 1255514, 1545248, 2511028, 5022056, 10044112, 20088224]

約数ペア:

[(1, 20088224), (2, 10044112), (4, 5022056), (8, 2511028), (13, 1545248), (16, 1255514), (26, 772624), (32, 627757), (43, 467168), (52, 386312), (86, 233584), (104, 193156), (172, 116792), (208, 96578), (344, 58396), (416, 48289), (559, 35936), (688, 29198), (1118, 17968), (1123, 17888), (1376, 14599), (2236, 8984), (2246, 8944), (4472, 4492)]