20981726496

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{1374589}}^1$

素因数の和:1374658

約数の個数: 72

約数和(自身を含む): 60792617340

約数和(自身を除く): 39810890844

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 144, 159, 212, 288, 318, 424, 477, 636, 848, 954, 1272, 1696, 1908, 2544, 3816, 5088, 7632, 15264, 1374589, 2749178, 4123767, 5498356, 8247534, 10996712, 12371301, 16495068, 21993424, 24742602, 32990136, 43986848, 49485204, 65980272, 72853217, 98970408, 131960544, 145706434, 197940816, 218559651, 291412868, 395881632, 437119302, 582825736, 655678953, 874238604, 1165651472, 1311357906, 1748477208, 2331302944, 2622715812, 3496954416, 5245431624, 6993908832, 10490863248, 20981726496]

約数ペア:

[(1, 20981726496), (2, 10490863248), (3, 6993908832), (4, 5245431624), (6, 3496954416), (8, 2622715812), (9, 2331302944), (12, 1748477208), (16, 1311357906), (18, 1165651472), (24, 874238604), (32, 655678953), (36, 582825736), (48, 437119302), (53, 395881632), (72, 291412868), (96, 218559651), (106, 197940816), (144, 145706434), (159, 131960544), (212, 98970408), (288, 72853217), (318, 65980272), (424, 49485204), (477, 43986848), (636, 32990136), (848, 24742602), (954, 21993424), (1272, 16495068), (1696, 12371301), (1908, 10996712), (2544, 8247534), (3816, 5498356), (5088, 4123767), (7632, 2749178), (15264, 1374589)]