20973975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{25423}}^1$

素因数の和:25447

約数の個数: 24

約数和(自身を含む): 37830912

約数和(自身を除く): 16856937

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 25423, 76269, 127115, 279653, 381345, 635575, 838959, 1398265, 1906725, 4194795, 6991325, 20973975]

約数ペア:

[(1, 20973975), (3, 6991325), (5, 4194795), (11, 1906725), (15, 1398265), (25, 838959), (33, 635575), (55, 381345), (75, 279653), (165, 127115), (275, 76269), (825, 25423)]