20067369

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 31832064

約数和(自身を除く): 11764695

約数列:

[1, 3, 7, 21, 43, 71, 129, 213, 301, 313, 497, 903, 939, 1491, 2191, 3053, 6573, 9159, 13459, 21371, 22223, 40377, 64113, 66669, 94213, 155561, 282639, 466683, 955589, 2866767, 6689123, 20067369]

約数ペア:

[(1, 20067369), (3, 6689123), (7, 2866767), (21, 955589), (43, 466683), (71, 282639), (129, 155561), (213, 94213), (301, 66669), (313, 64113), (497, 40377), (903, 22223), (939, 21371), (1491, 13459), (2191, 9159), (3053, 6573)]