20499423

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 33331200

約数和(自身を除く): 12831777

約数列:

[1, 3, 7, 19, 21, 57, 83, 133, 249, 399, 581, 619, 1577, 1743, 1857, 4333, 4731, 11039, 11761, 12999, 33117, 35283, 51377, 82327, 154131, 246981, 359639, 976163, 1078917, 2928489, 6833141, 20499423]

約数ペア:

[(1, 20499423), (3, 6833141), (7, 2928489), (19, 1078917), (21, 976163), (57, 359639), (83, 246981), (133, 154131), (249, 82327), (399, 51377), (581, 35283), (619, 33117), (1577, 12999), (1743, 11761), (1857, 11039), (4333, 4731)]