20120778615

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27375209}}^1$

素因数の和:27375231

約数の個数: 24

約数和(自身を含む): 37449287280

約数和(自身を除く): 17328508665

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27375209, 82125627, 136876045, 191626463, 410628135, 574879389, 958132315, 1341385241, 2874396945, 4024155723, 6706926205, 20120778615]

約数ペア:

[(1, 20120778615), (3, 6706926205), (5, 4024155723), (7, 2874396945), (15, 1341385241), (21, 958132315), (35, 574879389), (49, 410628135), (105, 191626463), (147, 136876045), (245, 82125627), (735, 27375209)]