20535655

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1061}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 29056320

約数和(自身を除く): 8520665

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 1061, 2765, 3871, 5305, 7427, 19355, 37135, 51989, 83819, 259945, 419095, 586733, 2933665, 4107131, 20535655]

約数ペア:

[(1, 20535655), (5, 4107131), (7, 2933665), (35, 586733), (49, 419095), (79, 259945), (245, 83819), (395, 51989), (553, 37135), (1061, 19355), (2765, 7427), (3871, 5305)]