20619200

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{263}}^1$

素因数の和:299

約数の個数: 126

約数和(自身を含む): 59243976

約数和(自身を除く): 38624776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 263, 280, 320, 350, 392, 400, 448, 490, 526, 560, 700, 784, 800, 980, 1052, 1120, 1225, 1315, 1400, 1568, 1600, 1841, 1960, 2104, 2240, 2450, 2630, 2800, 3136, 3682, 3920, 4208, 4900, 5260, 5600, 6575, 7364, 7840, 8416, 9205, 9800, 10520, 11200, 12887, 13150, 14728, 15680, 16832, 18410, 19600, 21040, 25774, 26300, 29456, 36820, 39200, 42080, 46025, 51548, 52600, 58912, 64435, 73640, 78400, 84160, 92050, 103096, 105200, 117824, 128870, 147280, 184100, 206192, 210400, 257740, 294560, 322175, 368200, 412384, 420800, 515480, 589120, 644350, 736400, 824768, 1030960, 1288700, 1472800, 2061920, 2577400, 2945600, 4123840, 5154800, 10309600, 20619200]

約数ペア:

[(1, 20619200), (2, 10309600), (4, 5154800), (5, 4123840), (7, 2945600), (8, 2577400), (10, 2061920), (14, 1472800), (16, 1288700), (20, 1030960), (25, 824768), (28, 736400), (32, 644350), (35, 589120), (40, 515480), (49, 420800), (50, 412384), (56, 368200), (64, 322175), (70, 294560), (80, 257740), (98, 210400), (100, 206192), (112, 184100), (140, 147280), (160, 128870), (175, 117824), (196, 105200), (200, 103096), (224, 92050), (245, 84160), (263, 78400), (280, 73640), (320, 64435), (350, 58912), (392, 52600), (400, 51548), (448, 46025), (490, 42080), (526, 39200), (560, 36820), (700, 29456), (784, 26300), (800, 25774), (980, 21040), (1052, 19600), (1120, 18410), (1225, 16832), (1315, 15680), (1400, 14728), (1568, 13150), (1600, 12887), (1841, 11200), (1960, 10520), (2104, 9800), (2240, 9205), (2450, 8416), (2630, 7840), (2800, 7364), (3136, 6575), (3682, 5600), (3920, 5260), (4208, 4900)]