20581424

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{4451}}^1$

素因数の和:4493

約数の個数: 30

約数和(自身を含む): 42369684

約数和(自身を除く): 21788260

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4451, 4624, 8902, 17804, 35608, 71216, 75667, 151334, 302668, 605336, 1210672, 1286339, 2572678, 5145356, 10290712, 20581424]

約数ペア:

[(1, 20581424), (2, 10290712), (4, 5145356), (8, 2572678), (16, 1286339), (17, 1210672), (34, 605336), (68, 302668), (136, 151334), (272, 75667), (289, 71216), (578, 35608), (1156, 17804), (2312, 8902), (4451, 4624)]