20808280563

素因数分解:

$3^1\times 7^3\times {\mathrm{601}}^1\times {\mathrm{33647}}^1$

素因数の和:34272

約数の個数: 32

約数和(自身を含む): 32409753600

約数和(自身を除く): 11601473037

約数列:

[1, 3, 7, 21, 49, 147, 343, 601, 1029, 1803, 4207, 12621, 29449, 33647, 88347, 100941, 206143, 235529, 618429, 706587, 1648703, 4946109, 11540921, 20221847, 34622763, 60665541, 141552929, 424658787, 990870503, 2972611509, 6936093521, 20808280563]

約数ペア:

[(1, 20808280563), (3, 6936093521), (7, 2972611509), (21, 990870503), (49, 424658787), (147, 141552929), (343, 60665541), (601, 34622763), (1029, 20221847), (1803, 11540921), (4207, 4946109), (12621, 1648703), (29449, 706587), (33647, 618429), (88347, 235529), (100941, 206143)]