20298089

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{719}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 24076800

約数和(自身を除く): 3778711

約数列:

[1, 7, 37, 109, 259, 719, 763, 4033, 5033, 26603, 28231, 78371, 186221, 548597, 2899727, 20298089]

約数ペア:

[(1, 20298089), (7, 2899727), (37, 548597), (109, 186221), (259, 78371), (719, 28231), (763, 26603), (4033, 5033)]