20604920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73589}}^1$

素因数の和:73607

約数の個数: 32

約数和(自身を含む): 52984800

約数和(自身を除く): 32379880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73589, 147178, 294356, 367945, 515123, 588712, 735890, 1030246, 1471780, 2060492, 2575615, 2943560, 4120984, 5151230, 10302460, 20604920]

約数ペア:

[(1, 20604920), (2, 10302460), (4, 5151230), (5, 4120984), (7, 2943560), (8, 2575615), (10, 2060492), (14, 1471780), (20, 1030246), (28, 735890), (35, 588712), (40, 515123), (56, 367945), (70, 294356), (140, 147178), (280, 73589)]