20809789782

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^2\times {\mathrm{103}}^1\times {\mathrm{40039}}^1$

素因数の和:40205

約数の個数: 48

約数和(自身を含む): 43523800320

約数和(自身を除く): 22714010538

約数列:

[1, 2, 3, 6, 29, 58, 87, 103, 174, 206, 309, 618, 841, 1682, 2523, 2987, 5046, 5974, 8961, 17922, 40039, 80078, 86623, 120117, 173246, 240234, 259869, 519738, 1161131, 2322262, 3483393, 4124017, 6966786, 8248034, 12372051, 24744102, 33672799, 67345598, 101018397, 119596493, 202036794, 239192986, 358789479, 717578958, 3468298297, 6936596594, 10404894891, 20809789782]

約数ペア:

[(1, 20809789782), (2, 10404894891), (3, 6936596594), (6, 3468298297), (29, 717578958), (58, 358789479), (87, 239192986), (103, 202036794), (174, 119596493), (206, 101018397), (309, 67345598), (618, 33672799), (841, 24744102), (1682, 12372051), (2523, 8248034), (2987, 6966786), (5046, 4124017), (5974, 3483393), (8961, 2322262), (17922, 1161131), (40039, 519738), (80078, 259869), (86623, 240234), (120117, 173246)]