20004645

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21863}}^1$

素因数の和:21932

約数の個数: 16

約数和(自身を含む): 32533632

約数和(自身を除く): 12528987

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 21863, 65589, 109315, 327945, 1333643, 4000929, 6668215, 20004645]

約数ペア:

[(1, 20004645), (3, 6668215), (5, 4000929), (15, 1333643), (61, 327945), (183, 109315), (305, 65589), (915, 21863)]