20145012012

素因数分解:

$2^2\times 3^5\times {\mathrm{251}}^1\times {\mathrm{82571}}^1$

素因数の和:82841

約数の個数: 72

約数和(自身を含む): 53019150912

約数和(自身を除く): 32874138900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 251, 324, 486, 502, 753, 972, 1004, 1506, 2259, 3012, 4518, 6777, 9036, 13554, 20331, 27108, 40662, 60993, 81324, 82571, 121986, 165142, 243972, 247713, 330284, 495426, 743139, 990852, 1486278, 2229417, 2972556, 4458834, 6688251, 8917668, 13376502, 20064753, 20725321, 26753004, 40129506, 41450642, 62175963, 80259012, 82901284, 124351926, 186527889, 248703852, 373055778, 559583667, 746111556, 1119167334, 1678751001, 2238334668, 3357502002, 5036253003, 6715004004, 10072506006, 20145012012]

約数ペア:

[(1, 20145012012), (2, 10072506006), (3, 6715004004), (4, 5036253003), (6, 3357502002), (9, 2238334668), (12, 1678751001), (18, 1119167334), (27, 746111556), (36, 559583667), (54, 373055778), (81, 248703852), (108, 186527889), (162, 124351926), (243, 82901284), (251, 80259012), (324, 62175963), (486, 41450642), (502, 40129506), (753, 26753004), (972, 20725321), (1004, 20064753), (1506, 13376502), (2259, 8917668), (3012, 6688251), (4518, 4458834), (6777, 2972556), (9036, 2229417), (13554, 1486278), (20331, 990852), (27108, 743139), (40662, 495426), (60993, 330284), (81324, 247713), (82571, 243972), (121986, 165142)]