20199190401

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{44507}}^1$

素因数の和:44963

約数の個数: 40

約数和(自身を含む): 32571310464

約数和(自身を除く): 12372120063

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 431, 1053, 1293, 3879, 5603, 11637, 16809, 34911, 44507, 50427, 133521, 151281, 400563, 453843, 578591, 1201689, 1735773, 3605067, 5207319, 15621957, 19182517, 46865871, 57547551, 172642653, 249372721, 517927959, 748118163, 1553783877, 2244354489, 6733063467, 20199190401]

約数ペア:

[(1, 20199190401), (3, 6733063467), (9, 2244354489), (13, 1553783877), (27, 748118163), (39, 517927959), (81, 249372721), (117, 172642653), (351, 57547551), (431, 46865871), (1053, 19182517), (1293, 15621957), (3879, 5207319), (5603, 3605067), (11637, 1735773), (16809, 1201689), (34911, 578591), (44507, 453843), (50427, 400563), (133521, 151281)]