20413492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12539}}^1$

素因数の和:12591

約数の個数: 24

約数和(自身を含む): 40027680

約数和(自身を除く): 19614188

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12539, 25078, 50156, 137929, 275858, 463943, 551716, 927886, 1855772, 5103373, 10206746, 20413492]

約数ペア:

[(1, 20413492), (2, 10206746), (4, 5103373), (11, 1855772), (22, 927886), (37, 551716), (44, 463943), (74, 275858), (148, 137929), (407, 50156), (814, 25078), (1628, 12539)]