20199699

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19183}}^1$

素因数の和:19208

約数の個数: 20

約数和(自身を含む): 32497696

約数和(自身を除く): 12297997

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19183, 57549, 172647, 249379, 517941, 748137, 1553823, 2244411, 6733233, 20199699]

約数ペア:

[(1, 20199699), (3, 6733233), (9, 2244411), (13, 1553823), (27, 748137), (39, 517941), (81, 249379), (117, 172647), (351, 57549), (1053, 19183)]