20900394

素因数分解:

$2^1\times 3^2\times {\mathrm{211}}^1\times {\mathrm{5503}}^1$

素因数の和:5722

約数の個数: 24

約数和(自身を含む): 45507072

約数和(自身を除く): 24606678

約数列:

[1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899, 3798, 5503, 11006, 16509, 33018, 49527, 99054, 1161133, 2322266, 3483399, 6966798, 10450197, 20900394]

約数ペア:

[(1, 20900394), (2, 10450197), (3, 6966798), (6, 3483399), (9, 2322266), (18, 1161133), (211, 99054), (422, 49527), (633, 33018), (1266, 16509), (1899, 11006), (3798, 5503)]