20011504

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{3119}}^1$

素因数の和:3528

約数の個数: 20

約数和(自身を含む): 38881440

約数和(自身を除く): 18869936

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3119, 3208, 6238, 6416, 12476, 24952, 49904, 1250719, 2501438, 5002876, 10005752, 20011504]

約数ペア:

[(1, 20011504), (2, 10005752), (4, 5002876), (8, 2501438), (16, 1250719), (401, 49904), (802, 24952), (1604, 12476), (3119, 6416), (3208, 6238)]