20829544

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{401}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 40328640

約数和(自身を除く): 19499096

約数列:

[1, 2, 4, 8, 43, 86, 151, 172, 302, 344, 401, 604, 802, 1208, 1604, 3208, 6493, 12986, 17243, 25972, 34486, 51944, 60551, 68972, 121102, 137944, 242204, 484408, 2603693, 5207386, 10414772, 20829544]

約数ペア:

[(1, 20829544), (2, 10414772), (4, 5207386), (8, 2603693), (43, 484408), (86, 242204), (151, 137944), (172, 121102), (302, 68972), (344, 60551), (401, 51944), (604, 34486), (802, 25972), (1208, 17243), (1604, 12986), (3208, 6493)]