20208162

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 25514718

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 71, 78, 82, 89, 123, 142, 178, 213, 246, 267, 426, 533, 534, 923, 1066, 1157, 1599, 1846, 2314, 2769, 2911, 3198, 3471, 3649, 5538, 5822, 6319, 6942, 7298, 8733, 10947, 12638, 17466, 18957, 21894, 37843, 37914, 47437, 75686, 82147, 94874, 113529, 142311, 164294, 227058, 246441, 259079, 284622, 492882, 518158, 777237, 1554474, 3368027, 6736054, 10104081, 20208162]

約数ペア:

[(1, 20208162), (2, 10104081), (3, 6736054), (6, 3368027), (13, 1554474), (26, 777237), (39, 518158), (41, 492882), (71, 284622), (78, 259079), (82, 246441), (89, 227058), (123, 164294), (142, 142311), (178, 113529), (213, 94874), (246, 82147), (267, 75686), (426, 47437), (533, 37914), (534, 37843), (923, 21894), (1066, 18957), (1157, 17466), (1599, 12638), (1846, 10947), (2314, 8733), (2769, 7298), (2911, 6942), (3198, 6319), (3471, 5822), (3649, 5538)]