20751840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14411}}^1$

素因数の和:14432

約数の個数: 72

約数和(自身を含む): 70820568

約数和(自身を除く): 50068728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14411, 28822, 43233, 57644, 72055, 86466, 115288, 129699, 144110, 172932, 216165, 230576, 259398, 288220, 345864, 432330, 461152, 518796, 576440, 648495, 691728, 864660, 1037592, 1152880, 1296990, 1383456, 1729320, 2075184, 2305760, 2593980, 3458640, 4150368, 5187960, 6917280, 10375920, 20751840]

約数ペア:

[(1, 20751840), (2, 10375920), (3, 6917280), (4, 5187960), (5, 4150368), (6, 3458640), (8, 2593980), (9, 2305760), (10, 2075184), (12, 1729320), (15, 1383456), (16, 1296990), (18, 1152880), (20, 1037592), (24, 864660), (30, 691728), (32, 648495), (36, 576440), (40, 518796), (45, 461152), (48, 432330), (60, 345864), (72, 288220), (80, 259398), (90, 230576), (96, 216165), (120, 172932), (144, 144110), (160, 129699), (180, 115288), (240, 86466), (288, 72055), (360, 57644), (480, 43233), (720, 28822), (1440, 14411)]