20982742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{2557}}^1$

素因数の和:2943

約数の個数: 16

約数和(自身を含む): 34440912

約数和(自身を除く): 13458170

約数列:

[1, 2, 11, 22, 373, 746, 2557, 4103, 5114, 8206, 28127, 56254, 953761, 1907522, 10491371, 20982742]

約数ペア:

[(1, 20982742), (2, 10491371), (11, 1907522), (22, 953761), (373, 56254), (746, 28127), (2557, 8206), (4103, 5114)]