20155605

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31249}}^1$

素因数の和:31300

約数の個数: 16

約数和(自身を含む): 33000000

約数和(自身を除く): 12844395

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31249, 93747, 156245, 468735, 1343707, 4031121, 6718535, 20155605]

約数ペア:

[(1, 20155605), (3, 6718535), (5, 4031121), (15, 1343707), (43, 468735), (129, 156245), (215, 93747), (645, 31249)]