20171120888

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{374149}}^1$

素因数の和:374471

約数の個数: 32

約数和(自身を含む): 39600036000

約数和(自身を除く): 19428915112

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 293, 586, 1172, 2344, 6739, 13478, 26956, 53912, 374149, 748298, 1496596, 2993192, 8605427, 17210854, 34421708, 68843416, 109625657, 219251314, 438502628, 877005256, 2521390111, 5042780222, 10085560444, 20171120888]

約数ペア:

[(1, 20171120888), (2, 10085560444), (4, 5042780222), (8, 2521390111), (23, 877005256), (46, 438502628), (92, 219251314), (184, 109625657), (293, 68843416), (586, 34421708), (1172, 17210854), (2344, 8605427), (6739, 2993192), (13478, 1496596), (26956, 748298), (53912, 374149)]