20785680769

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{865457}}^1$

素因数の和:865584

約数の個数: 16

約数和(自身を含む): 24592854528

約数和(自身を除く): 3807173759

約数列:

[1, 7, 47, 73, 329, 511, 3431, 24017, 865457, 6058199, 40676479, 63178361, 284735353, 442248527, 2969382967, 20785680769]

約数ペア:

[(1, 20785680769), (7, 2969382967), (47, 442248527), (73, 284735353), (329, 63178361), (511, 40676479), (3431, 6058199), (24017, 865457)]