20045805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6047}}^1$

素因数の和:6085

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 16532499

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 6047, 18141, 30235, 78611, 90705, 102799, 235833, 308397, 393055, 513995, 1179165, 1336387, 1541985, 4009161, 6681935, 20045805]

約数ペア:

[(1, 20045805), (3, 6681935), (5, 4009161), (13, 1541985), (15, 1336387), (17, 1179165), (39, 513995), (51, 393055), (65, 308397), (85, 235833), (195, 102799), (221, 90705), (255, 78611), (663, 30235), (1105, 18141), (3315, 6047)]