20941005

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10657}}^1$

素因数の和:10796

約数の個数: 16

約数和(自身を含む): 33764544

約数和(自身を除く): 12823539

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10657, 31971, 53285, 159855, 1396067, 4188201, 6980335, 20941005]

約数ペア:

[(1, 20941005), (3, 6980335), (5, 4188201), (15, 1396067), (131, 159855), (393, 53285), (655, 31971), (1965, 10657)]