20822625

素因数分解:

$3^2\times 5^3\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 38158848

約数和(自身を除く): 17336223

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 83, 125, 223, 225, 249, 375, 415, 669, 747, 1115, 1125, 1245, 2007, 2075, 3345, 3735, 5575, 6225, 10035, 10375, 16725, 18509, 18675, 27875, 31125, 50175, 55527, 83625, 92545, 93375, 166581, 250875, 277635, 462725, 832905, 1388175, 2313625, 4164525, 6940875, 20822625]

約数ペア:

[(1, 20822625), (3, 6940875), (5, 4164525), (9, 2313625), (15, 1388175), (25, 832905), (45, 462725), (75, 277635), (83, 250875), (125, 166581), (223, 93375), (225, 92545), (249, 83625), (375, 55527), (415, 50175), (669, 31125), (747, 27875), (1115, 18675), (1125, 18509), (1245, 16725), (2007, 10375), (2075, 10035), (3345, 6225), (3735, 5575)]