20955200

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{1871}}^1$

素因数の和:1900

約数の個数: 84

約数和(自身を含む): 58960512

約数和(自身を除く): 38005312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 700, 800, 1120, 1400, 1600, 1871, 2240, 2800, 3742, 5600, 7484, 9355, 11200, 13097, 14968, 18710, 26194, 29936, 37420, 46775, 52388, 59872, 65485, 74840, 93550, 104776, 119744, 130970, 149680, 187100, 209552, 261940, 299360, 327425, 374200, 419104, 523880, 598720, 654850, 748400, 838208, 1047760, 1309700, 1496800, 2095520, 2619400, 2993600, 4191040, 5238800, 10477600, 20955200]

約数ペア:

[(1, 20955200), (2, 10477600), (4, 5238800), (5, 4191040), (7, 2993600), (8, 2619400), (10, 2095520), (14, 1496800), (16, 1309700), (20, 1047760), (25, 838208), (28, 748400), (32, 654850), (35, 598720), (40, 523880), (50, 419104), (56, 374200), (64, 327425), (70, 299360), (80, 261940), (100, 209552), (112, 187100), (140, 149680), (160, 130970), (175, 119744), (200, 104776), (224, 93550), (280, 74840), (320, 65485), (350, 59872), (400, 52388), (448, 46775), (560, 37420), (700, 29936), (800, 26194), (1120, 18710), (1400, 14968), (1600, 13097), (1871, 11200), (2240, 9355), (2800, 7484), (3742, 5600)]