20770304

素因数分解:

$2^9\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:490

約数の個数: 40

約数和(自身を含む): 41983920

約数和(自身を除く): 21213616

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 226, 256, 359, 452, 512, 718, 904, 1436, 1808, 2872, 3616, 5744, 7232, 11488, 14464, 22976, 28928, 40567, 45952, 57856, 81134, 91904, 162268, 183808, 324536, 649072, 1298144, 2596288, 5192576, 10385152, 20770304]

約数ペア:

[(1, 20770304), (2, 10385152), (4, 5192576), (8, 2596288), (16, 1298144), (32, 649072), (64, 324536), (113, 183808), (128, 162268), (226, 91904), (256, 81134), (359, 57856), (452, 45952), (512, 40567), (718, 28928), (904, 22976), (1436, 14464), (1808, 11488), (2872, 7232), (3616, 5744)]