20128395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{191699}}^1$

素因数の和:191714

約数の個数: 16

約数和(自身を含む): 36806400

約数和(自身を除く): 16678005

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 191699, 575097, 958495, 1341893, 2875485, 4025679, 6709465, 20128395]

約数ペア:

[(1, 20128395), (3, 6709465), (5, 4025679), (7, 2875485), (15, 1341893), (21, 958495), (35, 575097), (105, 191699)]