20071809

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1097}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 30831840

約数和(自身を除く): 10760031

約数列:

[1, 3, 9, 19, 57, 107, 171, 321, 963, 1097, 2033, 3291, 6099, 9873, 18297, 20843, 62529, 117379, 187587, 352137, 1056411, 2230201, 6690603, 20071809]

約数ペア:

[(1, 20071809), (3, 6690603), (9, 2230201), (19, 1056411), (57, 352137), (107, 187587), (171, 117379), (321, 62529), (963, 20843), (1097, 18297), (2033, 9873), (3291, 6099)]