20028647

素因数分解:

${\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:322

約数の個数: 16

約数和(自身を含む): 21500640

約数和(自身を除く): 1471993

約数列:

[1, 29, 53, 83, 157, 1537, 2407, 4399, 4553, 8321, 13031, 127571, 241309, 377899, 690643, 20028647]

約数ペア:

[(1, 20028647), (29, 690643), (53, 377899), (83, 241309), (157, 127571), (1537, 13031), (2407, 8321), (4399, 4553)]