20805220793

素因数分解:

$7^1\times {\mathrm{563}}^1\times {\mathrm{1051}}^1\times {\mathrm{5023}}^1$

素因数の和:6644

約数の個数: 16

約数和(自身を含む): 23847038976

約数和(自身を除く): 3041818183

約数列:

[1, 7, 563, 1051, 3941, 5023, 7357, 35161, 591713, 2827949, 4141991, 5279173, 19795643, 36954211, 2972174399, 20805220793]

約数ペア:

[(1, 20805220793), (7, 2972174399), (563, 36954211), (1051, 19795643), (3941, 5279173), (5023, 4141991), (7357, 2827949), (35161, 591713)]