20215764571

素因数分解:

${\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1361}}^1\times {\mathrm{3271}}^1$

素因数の和:4890

約数の個数: 16

約数和(自身を含む): 21391027200

約数和(自身を除く): 1175262629

約数列:

[1, 19, 239, 1361, 3271, 4541, 25859, 62149, 325279, 781769, 4451831, 6180301, 14853611, 84584789, 1063987609, 20215764571]

約数ペア:

[(1, 20215764571), (19, 1063987609), (239, 84584789), (1361, 14853611), (3271, 6180301), (4541, 4451831), (25859, 781769), (62149, 325279)]