20687564807

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1\times {\mathrm{242621}}^1$

素因数の和:243578

約数の個数: 16

約数和(自身を含む): 25488896832

約数和(自身を除く): 4801332025

約数列:

[1, 7, 13, 91, 937, 6559, 12181, 85267, 242621, 1698347, 3154073, 22078511, 227335877, 1591351139, 2955366401, 20687564807]

約数ペア:

[(1, 20687564807), (7, 2955366401), (13, 1591351139), (91, 227335877), (937, 22078511), (6559, 3154073), (12181, 1698347), (85267, 242621)]