2021306740

素因数分解:

$2^2\times 5^1\times {\mathrm{12919}}^1\times {\mathrm{7823}}^1$

素因数の和:20751

約数の個数: 24

約数和(自身を含む): 4245615360

約数和(自身を除く): 2224308620

約数列:

[1, 2, 4, 5, 10, 20, 7823, 12919, 15646, 25838, 31292, 39115, 51676, 64595, 78230, 129190, 156460, 258380, 101065337, 202130674, 404261348, 505326685, 1010653370, 2021306740]

約数ペア:

[(1, 2021306740), (2, 1010653370), (4, 505326685), (5, 404261348), (10, 202130674), (20, 101065337), (7823, 258380), (12919, 156460), (15646, 129190), (25838, 78230), (31292, 64595), (39115, 51676)]