20960885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1709}}^1$

素因数の和:1948

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 6617995

約数列:

[1, 5, 11, 55, 223, 1115, 1709, 2453, 8545, 12265, 18799, 93995, 381107, 1905535, 4192177, 20960885]

約数ペア:

[(1, 20960885), (5, 4192177), (11, 1905535), (55, 381107), (223, 93995), (1115, 18799), (1709, 12265), (2453, 8545)]