20128680752

素因数分解:

$2^4\times {\mathrm{6263}}^1\times {\mathrm{200869}}^1$

素因数の和:207140

約数の個数: 20

約数和(自身を含む): 39005740080

約数和(自身を除く): 18877059328

約数列:

[1, 2, 4, 8, 16, 6263, 12526, 25052, 50104, 100208, 200869, 401738, 803476, 1606952, 3213904, 1258042547, 2516085094, 5032170188, 10064340376, 20128680752]

約数ペア:

[(1, 20128680752), (2, 10064340376), (4, 5032170188), (8, 2516085094), (16, 1258042547), (6263, 3213904), (12526, 1606952), (25052, 803476), (50104, 401738), (100208, 200869)]