20091505

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{10831}}^1$

素因数の和:10896

約数の個数: 16

約数和(自身を含む): 28076544

約数和(自身を除く): 7985039

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 10831, 54155, 75817, 379085, 574043, 2870215, 4018301, 20091505]

約数ペア:

[(1, 20091505), (5, 4018301), (7, 2870215), (35, 574043), (53, 379085), (265, 75817), (371, 54155), (1855, 10831)]