2006209905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1005619}}^1$

素因数の和:1005653

約数の個数: 32

約数和(自身を含む): 3861580800

約数和(自身を除く): 1855370895

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 1005619, 3016857, 5028095, 7039333, 15084285, 19106761, 21117999, 35196665, 57320283, 95533805, 105589995, 133747327, 286601415, 401241981, 668736635, 2006209905]

約数ペア:

[(1, 2006209905), (3, 668736635), (5, 401241981), (7, 286601415), (15, 133747327), (19, 105589995), (21, 95533805), (35, 57320283), (57, 35196665), (95, 21117999), (105, 19106761), (133, 15084285), (285, 7039333), (399, 5028095), (665, 3016857), (1995, 1005619)]