20772435292

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{661}}^1\times {\mathrm{3109}}^1$

素因数の和:3819

約数の個数: 72

約数和(自身を含む): 43926983520

約数和(自身を除く): 23154548228

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 661, 722, 1322, 1444, 2527, 2644, 3109, 4627, 5054, 6218, 9254, 10108, 12436, 12559, 18508, 21763, 25118, 43526, 50236, 59071, 87052, 87913, 118142, 175826, 236284, 238621, 351652, 413497, 477242, 826994, 954484, 1122349, 1653988, 1670347, 2055049, 2244698, 3340694, 4110098, 4489396, 6681388, 7856443, 8220196, 14385343, 15712886, 28770686, 31425772, 39045931, 57541372, 78091862, 156183724, 273321517, 546643034, 741872689, 1093286068, 1483745378, 2967490756, 5193108823, 10386217646, 20772435292]

約数ペア:

[(1, 20772435292), (2, 10386217646), (4, 5193108823), (7, 2967490756), (14, 1483745378), (19, 1093286068), (28, 741872689), (38, 546643034), (76, 273321517), (133, 156183724), (266, 78091862), (361, 57541372), (532, 39045931), (661, 31425772), (722, 28770686), (1322, 15712886), (1444, 14385343), (2527, 8220196), (2644, 7856443), (3109, 6681388), (4627, 4489396), (5054, 4110098), (6218, 3340694), (9254, 2244698), (10108, 2055049), (12436, 1670347), (12559, 1653988), (18508, 1122349), (21763, 954484), (25118, 826994), (43526, 477242), (50236, 413497), (59071, 351652), (87052, 238621), (87913, 236284), (118142, 175826)]