20147720640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{20987209}}^1$

素因数の和:20987229

約数の個数: 56

約数和(自身を含む): 63969016080

約数和(自身を除く): 43821295440

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, 20987209, 41974418, 62961627, 83948836, 104936045, 125923254, 167897672, 209872090, 251846508, 314808135, 335795344, 419744180, 503693016, 629616270, 671590688, 839488360, 1007386032, 1259232540, 1343181376, 1678976720, 2014772064, 2518465080, 3357953440, 4029544128, 5036930160, 6715906880, 10073860320, 20147720640]

約数ペア:

[(1, 20147720640), (2, 10073860320), (3, 6715906880), (4, 5036930160), (5, 4029544128), (6, 3357953440), (8, 2518465080), (10, 2014772064), (12, 1678976720), (15, 1343181376), (16, 1259232540), (20, 1007386032), (24, 839488360), (30, 671590688), (32, 629616270), (40, 503693016), (48, 419744180), (60, 335795344), (64, 314808135), (80, 251846508), (96, 209872090), (120, 167897672), (160, 125923254), (192, 104936045), (240, 83948836), (320, 62961627), (480, 41974418), (960, 20987209)]