20422448

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 40711680

約数和(自身を除く): 20289232

約数列:

[1, 2, 4, 8, 16, 79, 107, 151, 158, 214, 302, 316, 428, 604, 632, 856, 1208, 1264, 1712, 2416, 8453, 11929, 16157, 16906, 23858, 32314, 33812, 47716, 64628, 67624, 95432, 129256, 135248, 190864, 258512, 1276403, 2552806, 5105612, 10211224, 20422448]

約数ペア:

[(1, 20422448), (2, 10211224), (4, 5105612), (8, 2552806), (16, 1276403), (79, 258512), (107, 190864), (151, 135248), (158, 129256), (214, 95432), (302, 67624), (316, 64628), (428, 47716), (604, 33812), (632, 32314), (856, 23858), (1208, 16906), (1264, 16157), (1712, 11929), (2416, 8453)]