20120535

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1447}}^1$

素因数の和:1564

約数の個数: 32

約数和(自身を含む): 36142080

約数和(自身を除く): 16021545

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1447, 1545, 2781, 4341, 4635, 7235, 13023, 13905, 21705, 39069, 65115, 149041, 195345, 447123, 745205, 1341369, 2235615, 4024107, 6706845, 20120535]

約数ペア:

[(1, 20120535), (3, 6706845), (5, 4024107), (9, 2235615), (15, 1341369), (27, 745205), (45, 447123), (103, 195345), (135, 149041), (309, 65115), (515, 39069), (927, 21705), (1447, 13905), (1545, 13023), (2781, 7235), (4341, 4635)]