20442568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1811}}^1$

素因数の和:1917

約数の個数: 32

約数和(自身を含む): 41096160

約数和(自身を除く): 20653592

約数列:

[1, 2, 4, 8, 17, 34, 68, 83, 136, 166, 332, 664, 1411, 1811, 2822, 3622, 5644, 7244, 11288, 14488, 30787, 61574, 123148, 150313, 246296, 300626, 601252, 1202504, 2555321, 5110642, 10221284, 20442568]

約数ペア:

[(1, 20442568), (2, 10221284), (4, 5110642), (8, 2555321), (17, 1202504), (34, 601252), (68, 300626), (83, 246296), (136, 150313), (166, 123148), (332, 61574), (664, 30787), (1411, 14488), (1811, 11288), (2822, 7244), (3622, 5644)]