20404168

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2377}}^1$

素因数の和:2449

約数の個数: 32

約数和(自身を含む): 40663800

約数和(自身を除く): 20259632

約数列:

[1, 2, 4, 8, 29, 37, 58, 74, 116, 148, 232, 296, 1073, 2146, 2377, 4292, 4754, 8584, 9508, 19016, 68933, 87949, 137866, 175898, 275732, 351796, 551464, 703592, 2550521, 5101042, 10202084, 20404168]

約数ペア:

[(1, 20404168), (2, 10202084), (4, 5101042), (8, 2550521), (29, 703592), (37, 551464), (58, 351796), (74, 275732), (116, 175898), (148, 137866), (232, 87949), (296, 68933), (1073, 19016), (2146, 9508), (2377, 8584), (4292, 4754)]