15671970220

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1954111}}^1$

素因数の和:1954521

約数の個数: 24

約数和(自身を含む): 32993227008

約数和(自身を除く): 17321256788

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 1954111, 3908222, 7816444, 9770555, 19541110, 39082220, 783598511, 1567197022, 3134394044, 3917992555, 7835985110, 15671970220]

約数ペア:

[(1, 15671970220), (2, 7835985110), (4, 3917992555), (5, 3134394044), (10, 1567197022), (20, 783598511), (401, 39082220), (802, 19541110), (1604, 9770555), (2005, 7816444), (4010, 3908222), (8020, 1954111)]