20346537987

素因数分解:

$3^7\times {\mathrm{1109}}^1\times {\mathrm{8389}}^1$

素因数の和:9519

約数の個数: 32

約数和(自身を含む): 30546312000

約数和(自身を除く): 10199774013

約数列:

[1, 3, 9, 27, 81, 243, 729, 1109, 2187, 3327, 8389, 9981, 25167, 29943, 75501, 89829, 226503, 269487, 679509, 808461, 2038527, 2425383, 6115581, 9303401, 18346743, 27910203, 83730609, 251191827, 753575481, 2260726443, 6782179329, 20346537987]

約数ペア:

[(1, 20346537987), (3, 6782179329), (9, 2260726443), (27, 753575481), (81, 251191827), (243, 83730609), (729, 27910203), (1109, 18346743), (2187, 9303401), (3327, 6115581), (8389, 2425383), (9981, 2038527), (25167, 808461), (29943, 679509), (75501, 269487), (89829, 226503)]