20488314

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:811

約数の個数: 64

約数和(自身を含む): 51996672

約数和(自身を除く): 31508358

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 61, 66, 77, 122, 154, 183, 231, 366, 427, 462, 671, 727, 854, 1281, 1342, 1454, 2013, 2181, 2562, 4026, 4362, 4697, 5089, 7997, 9394, 10178, 14091, 15267, 15994, 23991, 28182, 30534, 44347, 47982, 55979, 88694, 111958, 133041, 167937, 266082, 310429, 335874, 487817, 620858, 931287, 975634, 1463451, 1862574, 2926902, 3414719, 6829438, 10244157, 20488314]

約数ペア:

[(1, 20488314), (2, 10244157), (3, 6829438), (6, 3414719), (7, 2926902), (11, 1862574), (14, 1463451), (21, 975634), (22, 931287), (33, 620858), (42, 487817), (61, 335874), (66, 310429), (77, 266082), (122, 167937), (154, 133041), (183, 111958), (231, 88694), (366, 55979), (427, 47982), (462, 44347), (671, 30534), (727, 28182), (854, 23991), (1281, 15994), (1342, 15267), (1454, 14091), (2013, 10178), (2181, 9394), (2562, 7997), (4026, 5089), (4362, 4697)]