20506772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{35851}}^1$

素因数の和:35879

約数の個数: 24

約数和(自身を含む): 42161952

約数和(自身を除く): 21655180

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 35851, 71702, 143404, 394361, 466063, 788722, 932126, 1577444, 1864252, 5126693, 10253386, 20506772]

約数ペア:

[(1, 20506772), (2, 10253386), (4, 5126693), (11, 1864252), (13, 1577444), (22, 932126), (26, 788722), (44, 466063), (52, 394361), (143, 143404), (286, 71702), (572, 35851)]