20949040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37409}}^1$

素因数の和:37429

約数の個数: 40

約数和(自身を含む): 55666080

約数和(自身を除く): 34717040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37409, 74818, 149636, 187045, 261863, 299272, 374090, 523726, 598544, 748180, 1047452, 1309315, 1496360, 2094904, 2618630, 2992720, 4189808, 5237260, 10474520, 20949040]

約数ペア:

[(1, 20949040), (2, 10474520), (4, 5237260), (5, 4189808), (7, 2992720), (8, 2618630), (10, 2094904), (14, 1496360), (16, 1309315), (20, 1047452), (28, 748180), (35, 598544), (40, 523726), (56, 374090), (70, 299272), (80, 261863), (112, 187045), (140, 149636), (280, 74818), (560, 37409)]