19786760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70667}}^1$

素因数の和:70685

約数の個数: 32

約数和(自身を含む): 50880960

約数和(自身を除く): 31094200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70667, 141334, 282668, 353335, 494669, 565336, 706670, 989338, 1413340, 1978676, 2473345, 2826680, 3957352, 4946690, 9893380, 19786760]

約数ペア:

[(1, 19786760), (2, 9893380), (4, 4946690), (5, 3957352), (7, 2826680), (8, 2473345), (10, 1978676), (14, 1413340), (20, 989338), (28, 706670), (35, 565336), (40, 494669), (56, 353335), (70, 282668), (140, 141334), (280, 70667)]