20453961

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^2\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 36

約数和(自身を含む): 31509296

約数和(自身を除く): 11055335

約数列:

[1, 3, 11, 29, 33, 67, 87, 121, 201, 319, 363, 737, 841, 957, 1943, 2211, 2523, 3509, 5829, 8107, 9251, 10527, 21373, 24321, 27753, 56347, 64119, 101761, 169041, 235103, 305283, 619817, 705309, 1859451, 6817987, 20453961]

約数ペア:

[(1, 20453961), (3, 6817987), (11, 1859451), (29, 705309), (33, 619817), (67, 305283), (87, 235103), (121, 169041), (201, 101761), (319, 64119), (363, 56347), (737, 27753), (841, 24321), (957, 21373), (1943, 10527), (2211, 9251), (2523, 8107), (3509, 5829)]