20902245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15313}}^1$

素因数の和:15341

約数の個数: 32

約数和(自身を含む): 41164032

約数和(自身を除く): 20261787

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 15313, 45939, 76565, 107191, 199069, 229695, 321573, 535955, 597207, 995345, 1393483, 1607865, 2986035, 4180449, 6967415, 20902245]

約数ペア:

[(1, 20902245), (3, 6967415), (5, 4180449), (7, 2986035), (13, 1607865), (15, 1393483), (21, 995345), (35, 597207), (39, 535955), (65, 321573), (91, 229695), (105, 199069), (195, 107191), (273, 76565), (455, 45939), (1365, 15313)]