20199159

素因数分解:

$3^3\times {\mathrm{421}}^1\times {\mathrm{1777}}^1$

素因数の和:2207

約数の個数: 16

約数和(自身を含む): 30012640

約数和(自身を除く): 9813481

約数列:

[1, 3, 9, 27, 421, 1263, 1777, 3789, 5331, 11367, 15993, 47979, 748117, 2244351, 6733053, 20199159]

約数ペア:

[(1, 20199159), (3, 6733053), (9, 2244351), (27, 748117), (421, 47979), (1263, 15993), (1777, 11367), (3789, 5331)]