20748453

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{16993}}^1$

素因数の和:17044

約数の個数: 16

約数和(自身を含む): 30997056

約数和(自身を除く): 10248603

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 16993, 50979, 186923, 560769, 628741, 1886223, 6916151, 20748453]

約数ペア:

[(1, 20748453), (3, 6916151), (11, 1886223), (33, 628741), (37, 560769), (111, 186923), (407, 50979), (1221, 16993)]