20492295

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31771}}^1$

素因数の和:31822

約数の個数: 16

約数和(自身を含む): 33551232

約数和(自身を除く): 13058937

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31771, 95313, 158855, 476565, 1366153, 4098459, 6830765, 20492295]

約数ペア:

[(1, 20492295), (3, 6830765), (5, 4098459), (15, 1366153), (43, 476565), (129, 158855), (215, 95313), (645, 31771)]