20218077

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{461}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 31999968

約数和(自身を除く): 11781891

約数列:

[1, 3, 9, 11, 33, 99, 443, 461, 1329, 1383, 3987, 4149, 4873, 5071, 14619, 15213, 43857, 45639, 204223, 612669, 1838007, 2246453, 6739359, 20218077]

約数ペア:

[(1, 20218077), (3, 6739359), (9, 2246453), (11, 1838007), (33, 612669), (99, 204223), (443, 45639), (461, 43857), (1329, 15213), (1383, 14619), (3987, 5071), (4149, 4873)]