20652643

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 24399648

約数和(自身を除く): 3747005

約数列:

[1, 11, 23, 41, 121, 181, 253, 451, 943, 1991, 2783, 4163, 4961, 7421, 10373, 21901, 45793, 81631, 114103, 170683, 503723, 897941, 1877513, 20652643]

約数ペア:

[(1, 20652643), (11, 1877513), (23, 897941), (41, 503723), (121, 170683), (181, 114103), (253, 81631), (451, 45793), (943, 21901), (1991, 10373), (2783, 7421), (4163, 4961)]