2072020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 4380768

約数和(自身を除く): 2308748

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 491, 844, 982, 1055, 1964, 2110, 2455, 4220, 4910, 9820, 103601, 207202, 414404, 518005, 1036010, 2072020]

約数ペア:

[(1, 2072020), (2, 1036010), (4, 518005), (5, 414404), (10, 207202), (20, 103601), (211, 9820), (422, 4910), (491, 4220), (844, 2455), (982, 2110), (1055, 1964)]