20164049920

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{562613}}^1$

素因数の和:562645

約数の個数: 88

約数和(自身を含む): 55280201184

約数和(自身を除く): 35116151264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 5120, 7168, 8960, 17920, 35840, 562613, 1125226, 2250452, 2813065, 3938291, 4500904, 5626130, 7876582, 9001808, 11252260, 15753164, 18003616, 19691455, 22504520, 31506328, 36007232, 39382910, 45009040, 63012656, 72014464, 78765820, 90018080, 126025312, 144028928, 157531640, 180036160, 252050624, 288057856, 315063280, 360072320, 504101248, 576115712, 630126560, 720144640, 1008202496, 1260253120, 1440289280, 2016404992, 2520506240, 2880578560, 4032809984, 5041012480, 10082024960, 20164049920]

約数ペア:

[(1, 20164049920), (2, 10082024960), (4, 5041012480), (5, 4032809984), (7, 2880578560), (8, 2520506240), (10, 2016404992), (14, 1440289280), (16, 1260253120), (20, 1008202496), (28, 720144640), (32, 630126560), (35, 576115712), (40, 504101248), (56, 360072320), (64, 315063280), (70, 288057856), (80, 252050624), (112, 180036160), (128, 157531640), (140, 144028928), (160, 126025312), (224, 90018080), (256, 78765820), (280, 72014464), (320, 63012656), (448, 45009040), (512, 39382910), (560, 36007232), (640, 31506328), (896, 22504520), (1024, 19691455), (1120, 18003616), (1280, 15753164), (1792, 11252260), (2240, 9001808), (2560, 7876582), (3584, 5626130), (4480, 4500904), (5120, 3938291), (7168, 2813065), (8960, 2250452), (17920, 1125226), (35840, 562613)]