20257472

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:505

約数の個数: 56

約数和(自身を含む): 43653456

約数和(自身を除く): 23395984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 64, 68, 86, 136, 172, 272, 344, 433, 544, 688, 731, 866, 1088, 1376, 1462, 1732, 2752, 2924, 3464, 5848, 6928, 7361, 11696, 13856, 14722, 18619, 23392, 27712, 29444, 37238, 46784, 58888, 74476, 117776, 148952, 235552, 297904, 316523, 471104, 595808, 633046, 1191616, 1266092, 2532184, 5064368, 10128736, 20257472]

約数ペア:

[(1, 20257472), (2, 10128736), (4, 5064368), (8, 2532184), (16, 1266092), (17, 1191616), (32, 633046), (34, 595808), (43, 471104), (64, 316523), (68, 297904), (86, 235552), (136, 148952), (172, 117776), (272, 74476), (344, 58888), (433, 46784), (544, 37238), (688, 29444), (731, 27712), (866, 23392), (1088, 18619), (1376, 14722), (1462, 13856), (1732, 11696), (2752, 7361), (2924, 6928), (3464, 5848)]