20137535684

素因数分解:

$2^2\times 7^2\times {\mathrm{191}}^1\times {\mathrm{537919}}^1$

素因数の和:538128

約数の個数: 36

約数和(自身を含む): 41208975360

約数和(自身を除く): 21071439676

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 191, 196, 382, 764, 1337, 2674, 5348, 9359, 18718, 37436, 537919, 1075838, 2151676, 3765433, 7530866, 15061732, 26358031, 52716062, 102742529, 105432124, 205485058, 410970116, 719197703, 1438395406, 2876790812, 5034383921, 10068767842, 20137535684]

約数ペア:

[(1, 20137535684), (2, 10068767842), (4, 5034383921), (7, 2876790812), (14, 1438395406), (28, 719197703), (49, 410970116), (98, 205485058), (191, 105432124), (196, 102742529), (382, 52716062), (764, 26358031), (1337, 15061732), (2674, 7530866), (5348, 3765433), (9359, 2151676), (18718, 1075838), (37436, 537919)]