20382903

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1699}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 31116800

約数和(自身を除く): 10733897

約数列:

[1, 3, 9, 31, 43, 93, 129, 279, 387, 1333, 1699, 3999, 5097, 11997, 15291, 52669, 73057, 158007, 219171, 474021, 657513, 2264767, 6794301, 20382903]

約数ペア:

[(1, 20382903), (3, 6794301), (9, 2264767), (31, 657513), (43, 474021), (93, 219171), (129, 158007), (279, 73057), (387, 52669), (1333, 15291), (1699, 11997), (3999, 5097)]