20087926719

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{445537}}^1$

素因数の和:445679

約数の個数: 32

約数和(自身を含む): 32506452480

約数和(自身を除く): 12418525761

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 339, 399, 791, 2147, 2373, 6441, 15029, 45087, 445537, 1336611, 3118759, 8465203, 9356277, 25395609, 50345681, 59256421, 151037043, 177769263, 352419767, 956567939, 1057259301, 2869703817, 6695975573, 20087926719]

約数ペア:

[(1, 20087926719), (3, 6695975573), (7, 2869703817), (19, 1057259301), (21, 956567939), (57, 352419767), (113, 177769263), (133, 151037043), (339, 59256421), (399, 50345681), (791, 25395609), (2147, 9356277), (2373, 8465203), (6441, 3118759), (15029, 1336611), (45087, 445537)]