20547494

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:652

約数の個数: 24

約数和(自身を含む): 34128864

約数和(自身を除く): 13581370

約数列:

[1, 2, 11, 22, 121, 197, 242, 394, 431, 862, 2167, 4334, 4741, 9482, 23837, 47674, 52151, 84907, 104302, 169814, 933977, 1867954, 10273747, 20547494]

約数ペア:

[(1, 20547494), (2, 10273747), (11, 1867954), (22, 933977), (121, 169814), (197, 104302), (242, 84907), (394, 52151), (431, 47674), (862, 23837), (2167, 9482), (4334, 4741)]