20147401953

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1\times {\mathrm{11701}}^1$

素因数の和:12046

約数の個数: 48

約数和(自身を含む): 33667309312

約数和(自身を除く): 13519907359

約数列:

[1, 3, 7, 9, 21, 63, 151, 181, 453, 543, 1057, 1267, 1359, 1629, 3171, 3801, 9513, 11403, 11701, 27331, 35103, 81907, 81993, 105309, 191317, 245721, 245979, 573951, 737163, 1721853, 1766851, 2117881, 5300553, 6353643, 12367957, 14825167, 15901659, 19060929, 37103871, 44475501, 111311613, 133426503, 319800031, 959400093, 2238600217, 2878200279, 6715800651, 20147401953]

約数ペア:

[(1, 20147401953), (3, 6715800651), (7, 2878200279), (9, 2238600217), (21, 959400093), (63, 319800031), (151, 133426503), (181, 111311613), (453, 44475501), (543, 37103871), (1057, 19060929), (1267, 15901659), (1359, 14825167), (1629, 12367957), (3171, 6353643), (3801, 5300553), (9513, 2117881), (11403, 1766851), (11701, 1721853), (27331, 737163), (35103, 573951), (81907, 245979), (81993, 245721), (105309, 191317)]