20408355477

素因数分解:

$3^2\times {\mathrm{4919}}^1\times {\mathrm{460987}}^1$

素因数の和:465912

約数の個数: 12

約数和(自身を含む): 29484792480

約数和(自身を除く): 9076437003

約数列:

[1, 3, 9, 4919, 14757, 44271, 460987, 1382961, 4148883, 2267595053, 6802785159, 20408355477]

約数ペア:

[(1, 20408355477), (3, 6802785159), (9, 2267595053), (4919, 4148883), (14757, 1382961), (44271, 460987)]