20678055

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32059}}^1$

素因数の和:32110

約数の個数: 16

約数和(自身を含む): 33855360

約数和(自身を除く): 13177305

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 32059, 96177, 160295, 480885, 1378537, 4135611, 6892685, 20678055]

約数ペア:

[(1, 20678055), (3, 6892685), (5, 4135611), (15, 1378537), (43, 480885), (129, 160295), (215, 96177), (645, 32059)]