19711680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{20533}}^1$

素因数の和:20553

約数の個数: 56

約数和(自身を含む): 62587632

約数和(自身を除く): 42875952

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, 20533, 41066, 61599, 82132, 102665, 123198, 164264, 205330, 246396, 307995, 328528, 410660, 492792, 615990, 657056, 821320, 985584, 1231980, 1314112, 1642640, 1971168, 2463960, 3285280, 3942336, 4927920, 6570560, 9855840, 19711680]

約数ペア:

[(1, 19711680), (2, 9855840), (3, 6570560), (4, 4927920), (5, 3942336), (6, 3285280), (8, 2463960), (10, 1971168), (12, 1642640), (15, 1314112), (16, 1231980), (20, 985584), (24, 821320), (30, 657056), (32, 615990), (40, 492792), (48, 410660), (60, 328528), (64, 307995), (80, 246396), (96, 205330), (120, 164264), (160, 123198), (192, 102665), (240, 82132), (320, 61599), (480, 41066), (960, 20533)]