20418240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21269}}^1$

素因数の和:21289

約数の個数: 56

約数和(自身を含む): 64830960

約数和(自身を除く): 44412720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21269, 42538, 63807, 85076, 106345, 127614, 170152, 212690, 255228, 319035, 340304, 425380, 510456, 638070, 680608, 850760, 1020912, 1276140, 1361216, 1701520, 2041824, 2552280, 3403040, 4083648, 5104560, 6806080, 10209120, 20418240]

約数ペア:

[(1, 20418240), (2, 10209120), (3, 6806080), (4, 5104560), (5, 4083648), (6, 3403040), (8, 2552280), (10, 2041824), (12, 1701520), (15, 1361216), (16, 1276140), (20, 1020912), (24, 850760), (30, 680608), (32, 638070), (40, 510456), (48, 425380), (60, 340304), (64, 319035), (80, 255228), (96, 212690), (120, 170152), (160, 127614), (192, 106345), (240, 85076), (320, 63807), (480, 42538), (960, 21269)]