20725012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67289}}^1$

素因数の和:67311

約数の個数: 24

約数和(自身を含む): 45218880

約数和(自身を除く): 24493868

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67289, 134578, 269156, 471023, 740179, 942046, 1480358, 1884092, 2960716, 5181253, 10362506, 20725012]

約数ペア:

[(1, 20725012), (2, 10362506), (4, 5181253), (7, 2960716), (11, 1884092), (14, 1480358), (22, 942046), (28, 740179), (44, 471023), (77, 269156), (154, 134578), (308, 67289)]