20520102

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{26107}}^1$

素因数の和:26243

約数の個数: 16

約数和(自身を含む): 41355072

約数和(自身を除く): 20834970

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 26107, 52214, 78321, 156642, 3420017, 6840034, 10260051, 20520102]

約数ペア:

[(1, 20520102), (2, 10260051), (3, 6840034), (6, 3420017), (131, 156642), (262, 78321), (393, 52214), (786, 26107)]