20163345

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{727}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 33074496

約数和(自身を除く): 12911151

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 727, 1849, 2181, 3635, 5547, 9245, 10905, 27735, 31261, 93783, 156305, 468915, 1344223, 4032669, 6721115, 20163345]

約数ペア:

[(1, 20163345), (3, 6721115), (5, 4032669), (15, 1344223), (43, 468915), (129, 156305), (215, 93783), (645, 31261), (727, 27735), (1849, 10905), (2181, 9245), (3635, 5547)]