20201015655

素因数分解:

$3^4\times 5^1\times {\mathrm{659}}^1\times {\mathrm{75689}}^1$

素因数の和:76365

約数の個数: 40

約数和(自身を含む): 36267620400

約数和(自身を除く): 16066604745

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 659, 1977, 3295, 5931, 9885, 17793, 29655, 53379, 75689, 88965, 227067, 266895, 378445, 681201, 1135335, 2043603, 3406005, 6130809, 10218015, 30654045, 49879051, 149637153, 249395255, 448911459, 748185765, 1346734377, 2244557295, 4040203131, 6733671885, 20201015655]

約数ペア:

[(1, 20201015655), (3, 6733671885), (5, 4040203131), (9, 2244557295), (15, 1346734377), (27, 748185765), (45, 448911459), (81, 249395255), (135, 149637153), (405, 49879051), (659, 30654045), (1977, 10218015), (3295, 6130809), (5931, 3406005), (9885, 2043603), (17793, 1135335), (29655, 681201), (53379, 378445), (75689, 266895), (88965, 227067)]