20574240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42863}}^1$

素因数の和:42881

約数の個数: 48

約数和(自身を含む): 64810368

約数和(自身を除く): 44236128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42863, 85726, 128589, 171452, 214315, 257178, 342904, 428630, 514356, 642945, 685808, 857260, 1028712, 1285890, 1371616, 1714520, 2057424, 2571780, 3429040, 4114848, 5143560, 6858080, 10287120, 20574240]

約数ペア:

[(1, 20574240), (2, 10287120), (3, 6858080), (4, 5143560), (5, 4114848), (6, 3429040), (8, 2571780), (10, 2057424), (12, 1714520), (15, 1371616), (16, 1285890), (20, 1028712), (24, 857260), (30, 685808), (32, 642945), (40, 514356), (48, 428630), (60, 342904), (80, 257178), (96, 214315), (120, 171452), (160, 128589), (240, 85726), (480, 42863)]