20812624

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{643}}^1$

素因数の和:692

約数の個数: 60

約数和(自身を含む): 49031584

約数和(自身を除く): 28218960

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 289, 476, 578, 643, 952, 1156, 1286, 1904, 2023, 2312, 2572, 4046, 4501, 4624, 5144, 8092, 9002, 10288, 10931, 16184, 18004, 21862, 32368, 36008, 43724, 72016, 76517, 87448, 153034, 174896, 185827, 306068, 371654, 612136, 743308, 1224272, 1300789, 1486616, 2601578, 2973232, 5203156, 10406312, 20812624]

約数ペア:

[(1, 20812624), (2, 10406312), (4, 5203156), (7, 2973232), (8, 2601578), (14, 1486616), (16, 1300789), (17, 1224272), (28, 743308), (34, 612136), (56, 371654), (68, 306068), (112, 185827), (119, 174896), (136, 153034), (238, 87448), (272, 76517), (289, 72016), (476, 43724), (578, 36008), (643, 32368), (952, 21862), (1156, 18004), (1286, 16184), (1904, 10931), (2023, 10288), (2312, 9002), (2572, 8092), (4046, 5144), (4501, 4624)]