20359680

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:278

約数の個数: 160

約数和(自身を含む): 71299008

約数和(自身を除く): 50939328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 241, 256, 264, 320, 330, 352, 384, 440, 480, 482, 512, 528, 640, 660, 704, 723, 768, 880, 960, 964, 1056, 1205, 1280, 1320, 1408, 1446, 1536, 1760, 1920, 1928, 2112, 2410, 2560, 2640, 2651, 2816, 2892, 3520, 3615, 3840, 3856, 4224, 4820, 5280, 5302, 5632, 5784, 7040, 7230, 7680, 7712, 7953, 8448, 9640, 10560, 10604, 11568, 13255, 14080, 14460, 15424, 15906, 16896, 19280, 21120, 21208, 23136, 26510, 28160, 28920, 30848, 31812, 38560, 39765, 42240, 42416, 46272, 53020, 57840, 61696, 63624, 77120, 79530, 84480, 84832, 92544, 106040, 115680, 123392, 127248, 154240, 159060, 169664, 185088, 212080, 231360, 254496, 308480, 318120, 339328, 370176, 424160, 462720, 508992, 616960, 636240, 678656, 848320, 925440, 1017984, 1272480, 1357312, 1696640, 1850880, 2035968, 2544960, 3393280, 4071936, 5089920, 6786560, 10179840, 20359680]

約数ペア:

[(1, 20359680), (2, 10179840), (3, 6786560), (4, 5089920), (5, 4071936), (6, 3393280), (8, 2544960), (10, 2035968), (11, 1850880), (12, 1696640), (15, 1357312), (16, 1272480), (20, 1017984), (22, 925440), (24, 848320), (30, 678656), (32, 636240), (33, 616960), (40, 508992), (44, 462720), (48, 424160), (55, 370176), (60, 339328), (64, 318120), (66, 308480), (80, 254496), (88, 231360), (96, 212080), (110, 185088), (120, 169664), (128, 159060), (132, 154240), (160, 127248), (165, 123392), (176, 115680), (192, 106040), (220, 92544), (240, 84832), (241, 84480), (256, 79530), (264, 77120), (320, 63624), (330, 61696), (352, 57840), (384, 53020), (440, 46272), (480, 42416), (482, 42240), (512, 39765), (528, 38560), (640, 31812), (660, 30848), (704, 28920), (723, 28160), (768, 26510), (880, 23136), (960, 21208), (964, 21120), (1056, 19280), (1205, 16896), (1280, 15906), (1320, 15424), (1408, 14460), (1446, 14080), (1536, 13255), (1760, 11568), (1920, 10604), (1928, 10560), (2112, 9640), (2410, 8448), (2560, 7953), (2640, 7712), (2651, 7680), (2816, 7230), (2892, 7040), (3520, 5784), (3615, 5632), (3840, 5302), (3856, 5280), (4224, 4820)]