20542326

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13219}}^1$

素因数の和:13268

約数の個数: 32

約数和(自身を含む): 48226560

約数和(自身を除く): 27684234

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13219, 26438, 39657, 79314, 92533, 185066, 277599, 489103, 555198, 978206, 1467309, 2934618, 3423721, 6847442, 10271163, 20542326]

約数ペア:

[(1, 20542326), (2, 10271163), (3, 6847442), (6, 3423721), (7, 2934618), (14, 1467309), (21, 978206), (37, 555198), (42, 489103), (74, 277599), (111, 185066), (222, 92533), (259, 79314), (518, 39657), (777, 26438), (1554, 13219)]