20081691

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13859}}^1$

素因数の和:13895

約数の個数: 24

約数和(自身を含む): 34594560

約数和(自身を除く): 14512869

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13859, 41577, 97013, 124731, 291039, 318757, 873117, 956271, 2231299, 2868813, 6693897, 20081691]

約数ペア:

[(1, 20081691), (3, 6693897), (7, 2868813), (9, 2231299), (21, 956271), (23, 873117), (63, 318757), (69, 291039), (161, 124731), (207, 97013), (483, 41577), (1449, 13859)]