20427537

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 30211104

約数和(自身を除く): 9783567

約数列:

[1, 3, 13, 39, 43, 129, 169, 507, 559, 937, 1677, 2811, 7267, 12181, 21801, 36543, 40291, 120873, 158353, 475059, 523783, 1571349, 6809179, 20427537]

約数ペア:

[(1, 20427537), (3, 6809179), (13, 1571349), (39, 523783), (43, 475059), (129, 158353), (169, 120873), (507, 40291), (559, 36543), (937, 21801), (1677, 12181), (2811, 7267)]