20738867585

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{31249}}^1$

素因数の和:31505

約数の個数: 32

約数和(自身を含む): 27000000000

約数和(自身を除く): 6261132415

約数列:

[1, 5, 23, 29, 115, 145, 199, 667, 995, 3335, 4577, 5771, 22885, 28855, 31249, 132733, 156245, 663665, 718727, 906221, 3593635, 4531105, 6218551, 20843083, 31092755, 104215415, 143026673, 180337979, 715133365, 901689895, 4147773517, 20738867585]

約数ペア:

[(1, 20738867585), (5, 4147773517), (23, 901689895), (29, 715133365), (115, 180337979), (145, 143026673), (199, 104215415), (667, 31092755), (995, 20843083), (3335, 6218551), (4577, 4531105), (5771, 3593635), (22885, 906221), (28855, 718727), (31249, 663665), (132733, 156245)]