20796669

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{61}}^2$

素因数の和:160

約数の個数: 36

約数和(自身を含む): 33048288

約数和(自身を除く): 12251619

約数列:

[1, 3, 9, 23, 27, 61, 69, 81, 183, 207, 243, 549, 621, 1403, 1647, 1863, 3721, 4209, 4941, 5589, 11163, 12627, 14823, 33489, 37881, 85583, 100467, 113643, 256749, 301401, 340929, 770247, 904203, 2310741, 6932223, 20796669]

約数ペア:

[(1, 20796669), (3, 6932223), (9, 2310741), (23, 904203), (27, 770247), (61, 340929), (69, 301401), (81, 256749), (183, 113643), (207, 100467), (243, 85583), (549, 37881), (621, 33489), (1403, 14823), (1647, 12627), (1863, 11163), (3721, 5589), (4209, 4941)]