20178562845

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{19457}}^1$

素因数の和:19579

約数の個数: 96

約数和(自身を含む): 40247238528

約数和(自身を除く): 20068675683

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 83, 85, 105, 119, 147, 245, 249, 255, 357, 415, 581, 595, 735, 833, 1245, 1411, 1743, 1785, 2499, 2905, 4067, 4165, 4233, 7055, 8715, 9877, 12201, 12495, 19457, 20335, 21165, 29631, 49385, 58371, 61005, 69139, 97285, 136199, 148155, 207417, 291855, 330769, 345695, 408597, 680995, 953393, 992307, 1037085, 1614931, 1653845, 2042985, 2315383, 2860179, 4766965, 4844793, 4961535, 6946149, 8074655, 11304517, 11576915, 14300895, 16207681, 24223965, 27453827, 33913551, 34730745, 48623043, 56522585, 79131619, 81038405, 82361481, 137269135, 169567755, 192176789, 237394857, 243115215, 395658095, 411807405, 576530367, 960883945, 1186974285, 1345237523, 2882651835, 4035712569, 6726187615, 20178562845]

約数ペア:

[(1, 20178562845), (3, 6726187615), (5, 4035712569), (7, 2882651835), (15, 1345237523), (17, 1186974285), (21, 960883945), (35, 576530367), (49, 411807405), (51, 395658095), (83, 243115215), (85, 237394857), (105, 192176789), (119, 169567755), (147, 137269135), (245, 82361481), (249, 81038405), (255, 79131619), (357, 56522585), (415, 48623043), (581, 34730745), (595, 33913551), (735, 27453827), (833, 24223965), (1245, 16207681), (1411, 14300895), (1743, 11576915), (1785, 11304517), (2499, 8074655), (2905, 6946149), (4067, 4961535), (4165, 4844793), (4233, 4766965), (7055, 2860179), (8715, 2315383), (9877, 2042985), (12201, 1653845), (12495, 1614931), (19457, 1037085), (20335, 992307), (21165, 953393), (29631, 680995), (49385, 408597), (58371, 345695), (61005, 330769), (69139, 291855), (97285, 207417), (136199, 148155)]