20161882416

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{167413}}^1$

素因数の和:167630

約数の個数: 80

約数和(自身を含む): 56382356576

約数和(自身を除く): 36220474160

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 193, 208, 312, 386, 579, 624, 772, 1158, 1544, 2316, 2509, 3088, 4632, 5018, 7527, 9264, 10036, 15054, 20072, 30108, 40144, 60216, 120432, 167413, 334826, 502239, 669652, 1004478, 1339304, 2008956, 2176369, 2678608, 4017912, 4352738, 6529107, 8035824, 8705476, 13058214, 17410952, 26116428, 32310709, 34821904, 52232856, 64621418, 96932127, 104465712, 129242836, 193864254, 258485672, 387728508, 420039217, 516971344, 775457016, 840078434, 1260117651, 1550914032, 1680156868, 2520235302, 3360313736, 5040470604, 6720627472, 10080941208, 20161882416]

約数ペア:

[(1, 20161882416), (2, 10080941208), (3, 6720627472), (4, 5040470604), (6, 3360313736), (8, 2520235302), (12, 1680156868), (13, 1550914032), (16, 1260117651), (24, 840078434), (26, 775457016), (39, 516971344), (48, 420039217), (52, 387728508), (78, 258485672), (104, 193864254), (156, 129242836), (193, 104465712), (208, 96932127), (312, 64621418), (386, 52232856), (579, 34821904), (624, 32310709), (772, 26116428), (1158, 17410952), (1544, 13058214), (2316, 8705476), (2509, 8035824), (3088, 6529107), (4632, 4352738), (5018, 4017912), (7527, 2678608), (9264, 2176369), (10036, 2008956), (15054, 1339304), (20072, 1004478), (30108, 669652), (40144, 502239), (60216, 334826), (120432, 167413)]