20144205915

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31231327}}^1$

素因数の和:31231378

約数の個数: 16

約数和(自身を含む): 32980282368

約数和(自身を除く): 12836076453

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31231327, 93693981, 156156635, 468469905, 1342947061, 4028841183, 6714735305, 20144205915]

約数ペア:

[(1, 20144205915), (3, 6714735305), (5, 4028841183), (15, 1342947061), (43, 468469905), (129, 156156635), (215, 93693981), (645, 31231327)]