20411085

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6449}}^1$

素因数の和:6668

約数の個数: 16

約数和(自身を含む): 32817600

約数和(自身を除く): 12406515

約数列:

[1, 3, 5, 15, 211, 633, 1055, 3165, 6449, 19347, 32245, 96735, 1360739, 4082217, 6803695, 20411085]

約数ペア:

[(1, 20411085), (3, 6803695), (5, 4082217), (15, 1360739), (211, 96735), (633, 32245), (1055, 19347), (3165, 6449)]