20725263

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{577}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 32400368

約数和(自身を除く): 11675105

約数列:

[1, 3, 9, 13, 39, 117, 307, 577, 921, 1731, 2763, 3991, 5193, 7501, 11973, 22503, 35919, 67509, 177139, 531417, 1594251, 2302807, 6908421, 20725263]

約数ペア:

[(1, 20725263), (3, 6908421), (9, 2302807), (13, 1594251), (39, 531417), (117, 177139), (307, 67509), (577, 35919), (921, 22503), (1731, 11973), (2763, 7501), (3991, 5193)]