20347150665

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1721}}^1\times {\mathrm{27179}}^1$

素因数の和:28937

約数の個数: 32

約数和(自身を含む): 33698851200

約数和(自身を除く): 13351700535

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 1721, 5163, 8605, 25815, 27179, 49909, 81537, 135895, 149727, 249545, 407685, 748635, 788191, 2364573, 3940955, 11822865, 46775059, 140325177, 233875295, 701625885, 1356476711, 4069430133, 6782383555, 20347150665]

約数ペア:

[(1, 20347150665), (3, 6782383555), (5, 4069430133), (15, 1356476711), (29, 701625885), (87, 233875295), (145, 140325177), (435, 46775059), (1721, 11822865), (5163, 3940955), (8605, 2364573), (25815, 788191), (27179, 748635), (49909, 407685), (81537, 249545), (135895, 149727)]