20106064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1609}}^1$

素因数の和:1699

約数の個数: 40

約数和(自身を含む): 43122240

約数和(自身を除く): 23016176

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 1609, 3124, 3218, 6248, 6436, 12496, 12872, 17699, 25744, 35398, 70796, 114239, 141592, 228478, 283184, 456956, 913912, 1256629, 1827824, 2513258, 5026516, 10053032, 20106064]

約数ペア:

[(1, 20106064), (2, 10053032), (4, 5026516), (8, 2513258), (11, 1827824), (16, 1256629), (22, 913912), (44, 456956), (71, 283184), (88, 228478), (142, 141592), (176, 114239), (284, 70796), (568, 35398), (781, 25744), (1136, 17699), (1562, 12872), (1609, 12496), (3124, 6436), (3218, 6248)]