20966916

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1301}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 31529724

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 79, 102, 158, 204, 237, 316, 474, 948, 1301, 1343, 2602, 2686, 3903, 4029, 5204, 5372, 7806, 8058, 15612, 16116, 22117, 44234, 66351, 88468, 102779, 132702, 205558, 265404, 308337, 411116, 616674, 1233348, 1747243, 3494486, 5241729, 6988972, 10483458, 20966916]

約数ペア:

[(1, 20966916), (2, 10483458), (3, 6988972), (4, 5241729), (6, 3494486), (12, 1747243), (17, 1233348), (34, 616674), (51, 411116), (68, 308337), (79, 265404), (102, 205558), (158, 132702), (204, 102779), (237, 88468), (316, 66351), (474, 44234), (948, 22117), (1301, 16116), (1343, 15612), (2602, 8058), (2686, 7806), (3903, 5372), (4029, 5204)]