2021559980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9188909}}^1$

素因数の和:9188929

約数の個数: 24

約数和(自身を含む): 4631210640

約数和(自身を除く): 2609650660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9188909, 18377818, 36755636, 45944545, 91889090, 101077999, 183778180, 202155998, 404311996, 505389995, 1010779990, 2021559980]

約数ペア:

[(1, 2021559980), (2, 1010779990), (4, 505389995), (5, 404311996), (10, 202155998), (11, 183778180), (20, 101077999), (22, 91889090), (44, 45944545), (55, 36755636), (110, 18377818), (220, 9188909)]