20196918

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 55404000

約数和(自身を除く): 35207082

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 49, 51, 54, 63, 98, 102, 119, 126, 147, 153, 189, 238, 294, 306, 357, 378, 441, 449, 459, 714, 833, 882, 898, 918, 1071, 1323, 1347, 1666, 2142, 2499, 2646, 2694, 3143, 3213, 4041, 4998, 6286, 6426, 7497, 7633, 8082, 9429, 12123, 14994, 15266, 18858, 22001, 22491, 22899, 24246, 28287, 44002, 44982, 45798, 53431, 56574, 66003, 68697, 84861, 106862, 132006, 137394, 160293, 169722, 198009, 206091, 320586, 374017, 396018, 412182, 480879, 594027, 748034, 961758, 1122051, 1188054, 1442637, 2244102, 2885274, 3366153, 6732306, 10098459, 20196918]

約数ペア:

[(1, 20196918), (2, 10098459), (3, 6732306), (6, 3366153), (7, 2885274), (9, 2244102), (14, 1442637), (17, 1188054), (18, 1122051), (21, 961758), (27, 748034), (34, 594027), (42, 480879), (49, 412182), (51, 396018), (54, 374017), (63, 320586), (98, 206091), (102, 198009), (119, 169722), (126, 160293), (147, 137394), (153, 132006), (189, 106862), (238, 84861), (294, 68697), (306, 66003), (357, 56574), (378, 53431), (441, 45798), (449, 44982), (459, 44002), (714, 28287), (833, 24246), (882, 22899), (898, 22491), (918, 22001), (1071, 18858), (1323, 15266), (1347, 14994), (1666, 12123), (2142, 9429), (2499, 8082), (2646, 7633), (2694, 7497), (3143, 6426), (3213, 6286), (4041, 4998)]