20175037416

素因数分解:

$2^3\times 3^4\times {\mathrm{709}}^1\times {\mathrm{43913}}^1$

素因数の和:44640

約数の個数: 80

約数和(自身を含む): 56589776100

約数和(自身を除く): 36414738684

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 709, 1418, 2127, 2836, 4254, 5672, 6381, 8508, 12762, 17016, 19143, 25524, 38286, 43913, 51048, 57429, 76572, 87826, 114858, 131739, 153144, 175652, 229716, 263478, 351304, 395217, 459432, 526956, 790434, 1053912, 1185651, 1580868, 2371302, 3161736, 3556953, 4742604, 7113906, 9485208, 14227812, 28455624, 31134317, 62268634, 93402951, 124537268, 186805902, 249074536, 280208853, 373611804, 560417706, 747223608, 840626559, 1120835412, 1681253118, 2241670824, 2521879677, 3362506236, 5043759354, 6725012472, 10087518708, 20175037416]

約数ペア:

[(1, 20175037416), (2, 10087518708), (3, 6725012472), (4, 5043759354), (6, 3362506236), (8, 2521879677), (9, 2241670824), (12, 1681253118), (18, 1120835412), (24, 840626559), (27, 747223608), (36, 560417706), (54, 373611804), (72, 280208853), (81, 249074536), (108, 186805902), (162, 124537268), (216, 93402951), (324, 62268634), (648, 31134317), (709, 28455624), (1418, 14227812), (2127, 9485208), (2836, 7113906), (4254, 4742604), (5672, 3556953), (6381, 3161736), (8508, 2371302), (12762, 1580868), (17016, 1185651), (19143, 1053912), (25524, 790434), (38286, 526956), (43913, 459432), (51048, 395217), (57429, 351304), (76572, 263478), (87826, 229716), (114858, 175652), (131739, 153144)]