20301795

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4139}}^1$

素因数の和:4259

約数の個数: 24

約数和(自身を含む): 35521200

約数和(自身を除く): 15219405

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4139, 4905, 12417, 20695, 37251, 62085, 186255, 451151, 1353453, 2255755, 4060359, 6767265, 20301795]

約数ペア:

[(1, 20301795), (3, 6767265), (5, 4060359), (9, 2255755), (15, 1353453), (45, 451151), (109, 186255), (327, 62085), (545, 37251), (981, 20695), (1635, 12417), (4139, 4905)]