20282073

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 31997952

約数和(自身を除く): 11715879

約数列:

[1, 3, 7, 21, 61, 71, 183, 213, 223, 427, 497, 669, 1281, 1491, 1561, 4331, 4683, 12993, 13603, 15833, 30317, 40809, 47499, 90951, 95221, 110831, 285663, 332493, 965813, 2897439, 6760691, 20282073]

約数ペア:

[(1, 20282073), (3, 6760691), (7, 2897439), (21, 965813), (61, 332493), (71, 285663), (183, 110831), (213, 95221), (223, 90951), (427, 47499), (497, 40809), (669, 30317), (1281, 15833), (1491, 13603), (1561, 12993), (4331, 4683)]