20122635

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2789}}^1$

素因数の和:2847

約数の個数: 32

約数和(自身を含む): 35622720

約数和(自身を除く): 15500085

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 2789, 7215, 8367, 13945, 36257, 41835, 103193, 108771, 181285, 309579, 515965, 543855, 1341509, 1547895, 4024527, 6707545, 20122635]

約数ペア:

[(1, 20122635), (3, 6707545), (5, 4024527), (13, 1547895), (15, 1341509), (37, 543855), (39, 515965), (65, 309579), (111, 181285), (185, 108771), (195, 103193), (481, 41835), (555, 36257), (1443, 13945), (2405, 8367), (2789, 7215)]