20337381

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1163}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 30869280

約数和(自身を除く): 10531899

約数列:

[1, 3, 9, 29, 67, 87, 201, 261, 603, 1163, 1943, 3489, 5829, 10467, 17487, 33727, 77921, 101181, 233763, 303543, 701289, 2259709, 6779127, 20337381]

約数ペア:

[(1, 20337381), (3, 6779127), (9, 2259709), (29, 701289), (67, 303543), (87, 233763), (201, 101181), (261, 77921), (603, 33727), (1163, 17487), (1943, 10467), (3489, 5829)]