20199457817

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{7043}}^1$

素因数の和:7398

約数の個数: 48

約数和(自身を含む): 27231878592

約数和(自身を除く): 7032420775

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 313, 539, 833, 1309, 2191, 3443, 5321, 7043, 9163, 15337, 24101, 37247, 49301, 58531, 77473, 119731, 168707, 260729, 345107, 409717, 542311, 838117, 1317041, 2204459, 2868019, 3796177, 5866819, 9219287, 15431213, 24249049, 37475803, 64535009, 108018491, 169743343, 262330621, 412233833, 1188203401, 1836314347, 2885636831, 20199457817]

約数ペア:

[(1, 20199457817), (7, 2885636831), (11, 1836314347), (17, 1188203401), (49, 412233833), (77, 262330621), (119, 169743343), (187, 108018491), (313, 64535009), (539, 37475803), (833, 24249049), (1309, 15431213), (2191, 9219287), (3443, 5866819), (5321, 3796177), (7043, 2868019), (9163, 2204459), (15337, 1317041), (24101, 838117), (37247, 542311), (49301, 409717), (58531, 345107), (77473, 260729), (119731, 168707)]