20915826

素因数分解:

$2^1\times 3^1\times {\mathrm{269}}^1\times {\mathrm{12959}}^1$

素因数の和:13233

約数の個数: 16

約数和(自身を含む): 41990400

約数和(自身を除く): 21074574

約数列:

[1, 2, 3, 6, 269, 538, 807, 1614, 12959, 25918, 38877, 77754, 3485971, 6971942, 10457913, 20915826]

約数ペア:

[(1, 20915826), (2, 10457913), (3, 6971942), (6, 3485971), (269, 77754), (538, 38877), (807, 25918), (1614, 12959)]