20903886

素因数分解:

$2^1\times 3^3\times {\mathrm{387109}}^1$

素因数の和:387120

約数の個数: 16

約数和(自身を含む): 46453200

約数和(自身を除く): 25549314

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 387109, 774218, 1161327, 2322654, 3483981, 6967962, 10451943, 20903886]

約数ペア:

[(1, 20903886), (2, 10451943), (3, 6967962), (6, 3483981), (9, 2322654), (18, 1161327), (27, 774218), (54, 387109)]