20788002

素因数分解:

$2^1\times 3^4\times {\mathrm{128321}}^1$

素因数の和:128335

約数の個数: 20

約数和(自身を含む): 46580886

約数和(自身を除く): 25792884

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 128321, 256642, 384963, 769926, 1154889, 2309778, 3464667, 6929334, 10394001, 20788002]

約数ペア:

[(1, 20788002), (2, 10394001), (3, 6929334), (6, 3464667), (9, 2309778), (18, 1154889), (27, 769926), (54, 384963), (81, 256642), (162, 128321)]