20073440

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1151}}^1$

素因数の和:1275

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 27826720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1151, 1744, 2180, 2302, 3488, 4360, 4604, 5755, 8720, 9208, 11510, 17440, 18416, 23020, 36832, 46040, 92080, 125459, 184160, 250918, 501836, 627295, 1003672, 1254590, 2007344, 2509180, 4014688, 5018360, 10036720, 20073440]

約数ペア:

[(1, 20073440), (2, 10036720), (4, 5018360), (5, 4014688), (8, 2509180), (10, 2007344), (16, 1254590), (20, 1003672), (32, 627295), (40, 501836), (80, 250918), (109, 184160), (160, 125459), (218, 92080), (436, 46040), (545, 36832), (872, 23020), (1090, 18416), (1151, 17440), (1744, 11510), (2180, 9208), (2302, 8720), (3488, 5755), (4360, 4604)]