20165354865

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{28621}}^1$

素因数の和:28959

約数の個数: 64

約数和(自身を含む): 38083288320

約数和(自身を除く): 17917933455

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 307, 459, 765, 921, 1535, 2295, 2763, 4605, 5219, 8289, 13815, 15657, 26095, 28621, 41445, 46971, 78285, 85863, 140913, 143105, 234855, 257589, 429315, 486557, 704565, 772767, 1287945, 1459671, 2432785, 3863835, 4379013, 7298355, 8786647, 13137039, 21895065, 26359941, 43933235, 65685195, 79079823, 131799705, 149372999, 237239469, 395399115, 448118997, 746864995, 1186197345, 1344356991, 2240594985, 4033070973, 6721784955, 20165354865]

約数ペア:

[(1, 20165354865), (3, 6721784955), (5, 4033070973), (9, 2240594985), (15, 1344356991), (17, 1186197345), (27, 746864995), (45, 448118997), (51, 395399115), (85, 237239469), (135, 149372999), (153, 131799705), (255, 79079823), (307, 65685195), (459, 43933235), (765, 26359941), (921, 21895065), (1535, 13137039), (2295, 8786647), (2763, 7298355), (4605, 4379013), (5219, 3863835), (8289, 2432785), (13815, 1459671), (15657, 1287945), (26095, 772767), (28621, 704565), (41445, 486557), (46971, 429315), (78285, 257589), (85863, 234855), (140913, 143105)]