20685702

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1459}}^1$

素因数の和:1620

約数の個数: 32

約数和(自身を含む): 44150400

約数和(自身を除く): 23464698

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 139, 278, 417, 834, 1459, 2363, 2918, 4377, 4726, 7089, 8754, 14178, 24803, 49606, 74409, 148818, 202801, 405602, 608403, 1216806, 3447617, 6895234, 10342851, 20685702]

約数ペア:

[(1, 20685702), (2, 10342851), (3, 6895234), (6, 3447617), (17, 1216806), (34, 608403), (51, 405602), (102, 202801), (139, 148818), (278, 74409), (417, 49606), (834, 24803), (1459, 14178), (2363, 8754), (2918, 7089), (4377, 4726)]