20868204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248431}}^1$

素因数の和:248445

約数の個数: 24

約数和(自身を含む): 55648768

約数和(自身を除く): 34780564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248431, 496862, 745293, 993724, 1490586, 1739017, 2981172, 3478034, 5217051, 6956068, 10434102, 20868204]

約数ペア:

[(1, 20868204), (2, 10434102), (3, 6956068), (4, 5217051), (6, 3478034), (7, 2981172), (12, 1739017), (14, 1490586), (21, 993724), (28, 745293), (42, 496862), (84, 248431)]