20046040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71593}}^1$

素因数の和:71611

約数の個数: 32

約数和(自身を含む): 51547680

約数和(自身を除く): 31501640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71593, 143186, 286372, 357965, 501151, 572744, 715930, 1002302, 1431860, 2004604, 2505755, 2863720, 4009208, 5011510, 10023020, 20046040]

約数ペア:

[(1, 20046040), (2, 10023020), (4, 5011510), (5, 4009208), (7, 2863720), (8, 2505755), (10, 2004604), (14, 1431860), (20, 1002302), (28, 715930), (35, 572744), (40, 501151), (56, 357965), (70, 286372), (140, 143186), (280, 71593)]