20163022400

素因数分解:

$2^6\times 5^2\times {\mathrm{2137}}^1\times {\mathrm{5897}}^1$

素因数の和:8056

約数の個数: 84

約数和(自身を含む): 49645270788

約数和(自身を除く): 29482248388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 2137, 4274, 5897, 8548, 10685, 11794, 17096, 21370, 23588, 29485, 34192, 42740, 47176, 53425, 58970, 68384, 85480, 94352, 106850, 117940, 136768, 147425, 170960, 188704, 213700, 235880, 294850, 341920, 377408, 427400, 471760, 589700, 683840, 854800, 943520, 1179400, 1709600, 1887040, 2358800, 3419200, 4717600, 9435200, 12601889, 25203778, 50407556, 63009445, 100815112, 126018890, 201630224, 252037780, 315047225, 403260448, 504075560, 630094450, 806520896, 1008151120, 1260188900, 2016302240, 2520377800, 4032604480, 5040755600, 10081511200, 20163022400]

約数ペア:

[(1, 20163022400), (2, 10081511200), (4, 5040755600), (5, 4032604480), (8, 2520377800), (10, 2016302240), (16, 1260188900), (20, 1008151120), (25, 806520896), (32, 630094450), (40, 504075560), (50, 403260448), (64, 315047225), (80, 252037780), (100, 201630224), (160, 126018890), (200, 100815112), (320, 63009445), (400, 50407556), (800, 25203778), (1600, 12601889), (2137, 9435200), (4274, 4717600), (5897, 3419200), (8548, 2358800), (10685, 1887040), (11794, 1709600), (17096, 1179400), (21370, 943520), (23588, 854800), (29485, 683840), (34192, 589700), (42740, 471760), (47176, 427400), (53425, 377408), (58970, 341920), (68384, 294850), (85480, 235880), (94352, 213700), (106850, 188704), (117940, 170960), (136768, 147425)]