20880451674

素因数分解:

$2^1\times 3^4\times {\mathrm{128891677}}^1$

素因数の和:128891691

約数の個数: 20

約数和(自身を含む): 46787679114

約数和(自身を除く): 25907227440

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 128891677, 257783354, 386675031, 773350062, 1160025093, 2320050186, 3480075279, 6960150558, 10440225837, 20880451674]

約数ペア:

[(1, 20880451674), (2, 10440225837), (3, 6960150558), (6, 3480075279), (9, 2320050186), (18, 1160025093), (27, 773350062), (54, 386675031), (81, 257783354), (162, 128891677)]