20199555873

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{941}}^1$

素因数の和:1125

約数の個数: 120

約数和(自身を含む): 36952052544

約数和(自身を除く): 16752496671

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 131, 153, 189, 289, 357, 393, 459, 567, 867, 917, 941, 1071, 1179, 1377, 2023, 2227, 2601, 2751, 2823, 3213, 3537, 6069, 6587, 6681, 7803, 8253, 8469, 9639, 10611, 15589, 15997, 18207, 19761, 20043, 23409, 24759, 25407, 37859, 46767, 47991, 54621, 59283, 60129, 74277, 76221, 111979, 113577, 123271, 140301, 143973, 163863, 177849, 180387, 265013, 271949, 335937, 340731, 369813, 420903, 431919, 533547, 795039, 815847, 862897, 1007811, 1022193, 1109439, 1262709, 1295757, 1903643, 2095607, 2385117, 2447541, 2588691, 3023433, 3066579, 3328317, 5710929, 6286821, 7155351, 7342623, 7766073, 9070299, 9984951, 14669249, 17132787, 18860463, 21466053, 22027869, 23298219, 35625319, 44007747, 51398361, 56581389, 69894657, 106875957, 132023241, 154195083, 169744167, 249377233, 320627871, 396069723, 748131699, 961883613, 1188209169, 2244395097, 2885650839, 6733185291, 20199555873]

約数ペア:

[(1, 20199555873), (3, 6733185291), (7, 2885650839), (9, 2244395097), (17, 1188209169), (21, 961883613), (27, 748131699), (51, 396069723), (63, 320627871), (81, 249377233), (119, 169744167), (131, 154195083), (153, 132023241), (189, 106875957), (289, 69894657), (357, 56581389), (393, 51398361), (459, 44007747), (567, 35625319), (867, 23298219), (917, 22027869), (941, 21466053), (1071, 18860463), (1179, 17132787), (1377, 14669249), (2023, 9984951), (2227, 9070299), (2601, 7766073), (2751, 7342623), (2823, 7155351), (3213, 6286821), (3537, 5710929), (6069, 3328317), (6587, 3066579), (6681, 3023433), (7803, 2588691), (8253, 2447541), (8469, 2385117), (9639, 2095607), (10611, 1903643), (15589, 1295757), (15997, 1262709), (18207, 1109439), (19761, 1022193), (20043, 1007811), (23409, 862897), (24759, 815847), (25407, 795039), (37859, 533547), (46767, 431919), (47991, 420903), (54621, 369813), (59283, 340731), (60129, 335937), (74277, 271949), (76221, 265013), (111979, 180387), (113577, 177849), (123271, 163863), (140301, 143973)]