20990948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1279}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 40212480

約数和(自身を除く): 19221532

約数列:

[1, 2, 4, 11, 22, 44, 373, 746, 1279, 1492, 2558, 4103, 5116, 8206, 14069, 16412, 28138, 56276, 477067, 954134, 1908268, 5247737, 10495474, 20990948]

約数ペア:

[(1, 20990948), (2, 10495474), (4, 5247737), (11, 1908268), (22, 954134), (44, 477067), (373, 56276), (746, 28138), (1279, 16412), (1492, 14069), (2558, 8206), (4103, 5116)]