20455845

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{827}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 35054208

約数和(自身を除く): 14598363

約数列:

[1, 3, 5, 15, 17, 51, 85, 97, 255, 291, 485, 827, 1455, 1649, 2481, 4135, 4947, 8245, 12405, 14059, 24735, 42177, 70295, 80219, 210885, 240657, 401095, 1203285, 1363723, 4091169, 6818615, 20455845]

約数ペア:

[(1, 20455845), (3, 6818615), (5, 4091169), (15, 1363723), (17, 1203285), (51, 401095), (85, 240657), (97, 210885), (255, 80219), (291, 70295), (485, 42177), (827, 24735), (1455, 14059), (1649, 12405), (2481, 8245), (4135, 4947)]