20785320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57737}}^1$

素因数の和:57754

約数の個数: 48

約数和(自身を含む): 67553460

約数和(自身を除く): 46768140

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, 57737, 115474, 173211, 230948, 288685, 346422, 461896, 519633, 577370, 692844, 866055, 1039266, 1154740, 1385688, 1732110, 2078532, 2309480, 2598165, 3464220, 4157064, 5196330, 6928440, 10392660, 20785320]

約数ペア:

[(1, 20785320), (2, 10392660), (3, 6928440), (4, 5196330), (5, 4157064), (6, 3464220), (8, 2598165), (9, 2309480), (10, 2078532), (12, 1732110), (15, 1385688), (18, 1154740), (20, 1039266), (24, 866055), (30, 692844), (36, 577370), (40, 519633), (45, 461896), (60, 346422), (72, 288685), (90, 230948), (120, 173211), (180, 115474), (360, 57737)]