20417940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37811}}^1$

素因数の和:37829

約数の個数: 48

約数和(自身を含む): 63524160

約数和(自身を除く): 43106220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37811, 75622, 113433, 151244, 189055, 226866, 340299, 378110, 453732, 567165, 680598, 756220, 1020897, 1134330, 1361196, 1701495, 2041794, 2268660, 3402990, 4083588, 5104485, 6805980, 10208970, 20417940]

約数ペア:

[(1, 20417940), (2, 10208970), (3, 6805980), (4, 5104485), (5, 4083588), (6, 3402990), (9, 2268660), (10, 2041794), (12, 1701495), (15, 1361196), (18, 1134330), (20, 1020897), (27, 756220), (30, 680598), (36, 567165), (45, 453732), (54, 378110), (60, 340299), (90, 226866), (108, 189055), (135, 151244), (180, 113433), (270, 75622), (540, 37811)]