20526720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10691}}^1$

素因数の和:10713

約数の個数: 64

約数和(自身を含む): 65435040

約数和(自身を除く): 44908320

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, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10691, 21382, 32073, 42764, 53455, 64146, 85528, 106910, 128292, 160365, 171056, 213820, 256584, 320730, 342112, 427640, 513168, 641460, 684224, 855280, 1026336, 1282920, 1368448, 1710560, 2052672, 2565840, 3421120, 4105344, 5131680, 6842240, 10263360, 20526720]

約数ペア:

[(1, 20526720), (2, 10263360), (3, 6842240), (4, 5131680), (5, 4105344), (6, 3421120), (8, 2565840), (10, 2052672), (12, 1710560), (15, 1368448), (16, 1282920), (20, 1026336), (24, 855280), (30, 684224), (32, 641460), (40, 513168), (48, 427640), (60, 342112), (64, 320730), (80, 256584), (96, 213820), (120, 171056), (128, 160365), (160, 128292), (192, 106910), (240, 85528), (320, 64146), (384, 53455), (480, 42764), (640, 32073), (960, 21382), (1920, 10691)]