20619878

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{443}}^1$

素因数の和:536

約数の個数: 24

約数和(自身を含む): 33734232

約数和(自身を除く): 13114354

約数列:

[1, 2, 17, 34, 37, 74, 443, 629, 886, 1258, 1369, 2738, 7531, 15062, 16391, 23273, 32782, 46546, 278647, 557294, 606467, 1212934, 10309939, 20619878]

約数ペア:

[(1, 20619878), (2, 10309939), (17, 1212934), (34, 606467), (37, 557294), (74, 278647), (443, 46546), (629, 32782), (886, 23273), (1258, 16391), (1369, 15062), (2738, 7531)]