20097408

素因数分解:

$2^7\times 3^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 53856000

約数和(自身を除く): 33758592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 199, 263, 384, 398, 526, 597, 789, 796, 1052, 1194, 1578, 1592, 2104, 2388, 3156, 3184, 4208, 4776, 6312, 6368, 8416, 9552, 12624, 12736, 16832, 19104, 25248, 25472, 33664, 38208, 50496, 52337, 76416, 100992, 104674, 157011, 209348, 314022, 418696, 628044, 837392, 1256088, 1674784, 2512176, 3349568, 5024352, 6699136, 10048704, 20097408]

約数ペア:

[(1, 20097408), (2, 10048704), (3, 6699136), (4, 5024352), (6, 3349568), (8, 2512176), (12, 1674784), (16, 1256088), (24, 837392), (32, 628044), (48, 418696), (64, 314022), (96, 209348), (128, 157011), (192, 104674), (199, 100992), (263, 76416), (384, 52337), (398, 50496), (526, 38208), (597, 33664), (789, 25472), (796, 25248), (1052, 19104), (1194, 16832), (1578, 12736), (1592, 12624), (2104, 9552), (2388, 8416), (3156, 6368), (3184, 6312), (4208, 4776)]