20736960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21601}}^1$

素因数の和:21621

約数の個数: 56

約数和(自身を含む): 65842896

約数和(自身を除く): 45105936

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, 21601, 43202, 64803, 86404, 108005, 129606, 172808, 216010, 259212, 324015, 345616, 432020, 518424, 648030, 691232, 864040, 1036848, 1296060, 1382464, 1728080, 2073696, 2592120, 3456160, 4147392, 5184240, 6912320, 10368480, 20736960]

約数ペア:

[(1, 20736960), (2, 10368480), (3, 6912320), (4, 5184240), (5, 4147392), (6, 3456160), (8, 2592120), (10, 2073696), (12, 1728080), (15, 1382464), (16, 1296060), (20, 1036848), (24, 864040), (30, 691232), (32, 648030), (40, 518424), (48, 432020), (60, 345616), (64, 324015), (80, 259212), (96, 216010), (120, 172808), (160, 129606), (192, 108005), (240, 86404), (320, 64803), (480, 43202), (960, 21601)]