20565862452

素因数分解:

$2^2\times 3^2\times {\mathrm{631}}^1\times {\mathrm{905347}}^1$

素因数の和:905988

約数の個数: 36

約数和(自身を含む): 52068374176

約数和(自身を除く): 31502511724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 631, 1262, 1893, 2524, 3786, 5679, 7572, 11358, 22716, 905347, 1810694, 2716041, 3621388, 5432082, 8148123, 10864164, 16296246, 32592492, 571273957, 1142547914, 1713821871, 2285095828, 3427643742, 5141465613, 6855287484, 10282931226, 20565862452]

約数ペア:

[(1, 20565862452), (2, 10282931226), (3, 6855287484), (4, 5141465613), (6, 3427643742), (9, 2285095828), (12, 1713821871), (18, 1142547914), (36, 571273957), (631, 32592492), (1262, 16296246), (1893, 10864164), (2524, 8148123), (3786, 5432082), (5679, 3621388), (7572, 2716041), (11358, 1810694), (22716, 905347)]