20592054

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:690

約数の個数: 72

約数和(自身を含む): 53387568

約数和(自身を除く): 32795514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 49, 63, 74, 98, 111, 126, 147, 222, 259, 294, 333, 441, 518, 631, 666, 777, 882, 1262, 1554, 1813, 1893, 2331, 3626, 3786, 4417, 4662, 5439, 5679, 8834, 10878, 11358, 13251, 16317, 23347, 26502, 30919, 32634, 39753, 46694, 61838, 70041, 79506, 92757, 140082, 163429, 185514, 210123, 278271, 326858, 420246, 490287, 556542, 980574, 1144003, 1470861, 2288006, 2941722, 3432009, 6864018, 10296027, 20592054]

約数ペア:

[(1, 20592054), (2, 10296027), (3, 6864018), (6, 3432009), (7, 2941722), (9, 2288006), (14, 1470861), (18, 1144003), (21, 980574), (37, 556542), (42, 490287), (49, 420246), (63, 326858), (74, 278271), (98, 210123), (111, 185514), (126, 163429), (147, 140082), (222, 92757), (259, 79506), (294, 70041), (333, 61838), (441, 46694), (518, 39753), (631, 32634), (666, 30919), (777, 26502), (882, 23347), (1262, 16317), (1554, 13251), (1813, 11358), (1893, 10878), (2331, 8834), (3626, 5679), (3786, 5439), (4417, 4662)]