20105790400

素因数分解:

$2^6\times 5^2\times {\mathrm{23}}^1\times {\mathrm{546353}}^1$

素因数の和:546398

約数の個数: 84

約数和(自身を含む): 51623896752

約数和(自身を除く): 31518106352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 160, 184, 200, 230, 320, 368, 400, 460, 575, 736, 800, 920, 1150, 1472, 1600, 1840, 2300, 3680, 4600, 7360, 9200, 18400, 36800, 546353, 1092706, 2185412, 2731765, 4370824, 5463530, 8741648, 10927060, 12566119, 13658825, 17483296, 21854120, 25132238, 27317650, 34966592, 43708240, 50264476, 54635300, 62830595, 87416480, 100528952, 109270600, 125661190, 174832960, 201057904, 218541200, 251322380, 314152975, 402115808, 437082400, 502644760, 628305950, 804231616, 874164800, 1005289520, 1256611900, 2010579040, 2513223800, 4021158080, 5026447600, 10052895200, 20105790400]

約数ペア:

[(1, 20105790400), (2, 10052895200), (4, 5026447600), (5, 4021158080), (8, 2513223800), (10, 2010579040), (16, 1256611900), (20, 1005289520), (23, 874164800), (25, 804231616), (32, 628305950), (40, 502644760), (46, 437082400), (50, 402115808), (64, 314152975), (80, 251322380), (92, 218541200), (100, 201057904), (115, 174832960), (160, 125661190), (184, 109270600), (200, 100528952), (230, 87416480), (320, 62830595), (368, 54635300), (400, 50264476), (460, 43708240), (575, 34966592), (736, 27317650), (800, 25132238), (920, 21854120), (1150, 17483296), (1472, 13658825), (1600, 12566119), (1840, 10927060), (2300, 8741648), (3680, 5463530), (4600, 4370824), (7360, 2731765), (9200, 2185412), (18400, 1092706), (36800, 546353)]