20038278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{256901}}^1$

素因数の和:256919

約数の個数: 16

約数和(自身を含む): 43159536

約数和(自身を除く): 23121258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 256901, 513802, 770703, 1541406, 3339713, 6679426, 10019139, 20038278]

約数ペア:

[(1, 20038278), (2, 10019139), (3, 6679426), (6, 3339713), (13, 1541406), (26, 770703), (39, 513802), (78, 256901)]