20758065

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44641}}^1$

素因数の和:44680

約数の個数: 16

約数和(自身を含む): 34285056

約数和(自身を除く): 13526991

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 44641, 133923, 223205, 669615, 1383871, 4151613, 6919355, 20758065]

約数ペア:

[(1, 20758065), (3, 6919355), (5, 4151613), (15, 1383871), (31, 669615), (93, 223205), (155, 133923), (465, 44641)]