20457333720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56825927}}^1$

素因数の和:56825944

約数の個数: 48

約数和(自身を含む): 66486335760

約数和(自身を除く): 46029002040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56825927, 113651854, 170477781, 227303708, 284129635, 340955562, 454607416, 511433343, 568259270, 681911124, 852388905, 1022866686, 1136518540, 1363822248, 1704777810, 2045733372, 2273037080, 2557166715, 3409555620, 4091466744, 5114333430, 6819111240, 10228666860, 20457333720]

約数ペア:

[(1, 20457333720), (2, 10228666860), (3, 6819111240), (4, 5114333430), (5, 4091466744), (6, 3409555620), (8, 2557166715), (9, 2273037080), (10, 2045733372), (12, 1704777810), (15, 1363822248), (18, 1136518540), (20, 1022866686), (24, 852388905), (30, 681911124), (36, 568259270), (40, 511433343), (45, 454607416), (60, 340955562), (72, 284129635), (90, 227303708), (120, 170477781), (180, 113651854), (360, 56825927)]