20199451221

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14669173}}^1$

素因数の和:14669202

約数の個数: 20

約数和(自身を含む): 31949460972

約数和(自身を除く): 11750009751

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14669173, 44007519, 132022557, 249375941, 396067671, 748127823, 1188203013, 2244383469, 6733150407, 20199451221]

約数ペア:

[(1, 20199451221), (3, 6733150407), (9, 2244383469), (17, 1188203013), (27, 748127823), (51, 396067671), (81, 249375941), (153, 132022557), (459, 44007519), (1377, 14669173)]