20774955

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19507}}^1$

素因数の和:19586

約数の個数: 16

約数和(自身を含む): 33709824

約数和(自身を除く): 12934869

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19507, 58521, 97535, 292605, 1384997, 4154991, 6924985, 20774955]

約数ペア:

[(1, 20774955), (3, 6924985), (5, 4154991), (15, 1384997), (71, 292605), (213, 97535), (355, 58521), (1065, 19507)]