20801589

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4759}}^1$

素因数の和:4840

約数の個数: 16

約数和(自身を含む): 29245440

約数和(自身を除く): 8443851

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 4759, 14277, 147529, 223673, 442587, 671019, 6933863, 20801589]

約数ペア:

[(1, 20801589), (3, 6933863), (31, 671019), (47, 442587), (93, 223673), (141, 147529), (1457, 14277), (4371, 4759)]