20218444060

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2521003}}^1$

素因数の和:2521413

約数の個数: 24

約数和(自身を含む): 42564631536

約数和(自身を除く): 22346187476

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 2521003, 5042006, 10084012, 12605015, 25210030, 50420060, 1010922203, 2021844406, 4043688812, 5054611015, 10109222030, 20218444060]

約数ペア:

[(1, 20218444060), (2, 10109222030), (4, 5054611015), (5, 4043688812), (10, 2021844406), (20, 1010922203), (401, 50420060), (802, 25210030), (1604, 12605015), (2005, 10084012), (4010, 5042006), (8020, 2521003)]