20199509541

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{443}}^1\times {\mathrm{5261}}^1$

素因数の和:5823

約数の個数: 40

約数和(自身を含む): 30531134304

約数和(自身を除く): 10331624763

約数列:

[1, 3, 9, 27, 81, 107, 321, 443, 963, 1329, 2889, 3987, 5261, 8667, 11961, 15783, 35883, 47349, 47401, 142047, 142203, 426141, 426609, 562927, 1279827, 1688781, 2330623, 3839481, 5066343, 6991869, 15199029, 20975607, 45597087, 62926821, 188780463, 249376661, 748129983, 2244389949, 6733169847, 20199509541]

約数ペア:

[(1, 20199509541), (3, 6733169847), (9, 2244389949), (27, 748129983), (81, 249376661), (107, 188780463), (321, 62926821), (443, 45597087), (963, 20975607), (1329, 15199029), (2889, 6991869), (3987, 5066343), (5261, 3839481), (8667, 2330623), (11961, 1688781), (15783, 1279827), (35883, 562927), (47349, 426609), (47401, 426141), (142047, 142203)]