20840280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173669}}^1$

素因数の和:173683

約数の個数: 32

約数和(自身を含む): 62521200

約数和(自身を除く): 41680920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173669, 347338, 521007, 694676, 868345, 1042014, 1389352, 1736690, 2084028, 2605035, 3473380, 4168056, 5210070, 6946760, 10420140, 20840280]

約数ペア:

[(1, 20840280), (2, 10420140), (3, 6946760), (4, 5210070), (5, 4168056), (6, 3473380), (8, 2605035), (10, 2084028), (12, 1736690), (15, 1389352), (20, 1042014), (24, 868345), (30, 694676), (40, 521007), (60, 347338), (120, 173669)]