20438367039

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{1926149}}^1$

素因数の和:1926292

約数の個数: 20

約数和(自身を含む): 30764467800

約数和(自身を除く): 10326100761

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 10611, 1926149, 5778447, 17335341, 52006023, 156018069, 252325519, 756976557, 2270929671, 6812789013, 20438367039]

約数ペア:

[(1, 20438367039), (3, 6812789013), (9, 2270929671), (27, 756976557), (81, 252325519), (131, 156018069), (393, 52006023), (1179, 17335341), (3537, 5778447), (10611, 1926149)]