16920645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{161149}}^1$

素因数の和:161164

約数の個数: 16

約数和(自身を含む): 30940800

約数和(自身を除く): 14020155

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 161149, 483447, 805745, 1128043, 2417235, 3384129, 5640215, 16920645]

約数ペア:

[(1, 16920645), (3, 5640215), (5, 3384129), (7, 2417235), (15, 1128043), (21, 805745), (35, 483447), (105, 161149)]