20924120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{74729}}^1$

素因数の和:74747

約数の個数: 32

約数和(自身を含む): 53805600

約数和(自身を除く): 32881480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 74729, 149458, 298916, 373645, 523103, 597832, 747290, 1046206, 1494580, 2092412, 2615515, 2989160, 4184824, 5231030, 10462060, 20924120]

約数ペア:

[(1, 20924120), (2, 10462060), (4, 5231030), (5, 4184824), (7, 2989160), (8, 2615515), (10, 2092412), (14, 1494580), (20, 1046206), (28, 747290), (35, 597832), (40, 523103), (56, 373645), (70, 298916), (140, 149458), (280, 74729)]