20584970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{719}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 21923830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 719, 818, 1438, 2045, 2863, 3595, 4090, 5033, 5726, 7190, 10066, 14315, 25165, 28630, 50330, 294071, 588142, 1470355, 2058497, 2940710, 4116994, 10292485, 20584970]

約数ペア:

[(1, 20584970), (2, 10292485), (5, 4116994), (7, 2940710), (10, 2058497), (14, 1470355), (35, 588142), (70, 294071), (409, 50330), (719, 28630), (818, 25165), (1438, 14315), (2045, 10066), (2863, 7190), (3595, 5726), (4090, 5033)]