20785823710

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{2237}}^1$

素因数の和:2589

約数の個数: 64

約数和(自身を含む): 38860202304

約数和(自身を除く): 18074378594

約数列:

[1, 2, 5, 10, 41, 82, 131, 173, 205, 262, 346, 410, 655, 865, 1310, 1730, 2237, 4474, 5371, 7093, 10742, 11185, 14186, 22370, 22663, 26855, 35465, 45326, 53710, 70930, 91717, 113315, 183434, 226630, 293047, 387001, 458585, 586094, 774002, 917170, 929183, 1465235, 1858366, 1935005, 2930470, 3870010, 4645915, 9291830, 12014927, 15867041, 24029854, 31734082, 50697131, 60074635, 79335205, 101394262, 120149270, 158670410, 253485655, 506971310, 2078582371, 4157164742, 10392911855, 20785823710]

約数ペア:

[(1, 20785823710), (2, 10392911855), (5, 4157164742), (10, 2078582371), (41, 506971310), (82, 253485655), (131, 158670410), (173, 120149270), (205, 101394262), (262, 79335205), (346, 60074635), (410, 50697131), (655, 31734082), (865, 24029854), (1310, 15867041), (1730, 12014927), (2237, 9291830), (4474, 4645915), (5371, 3870010), (7093, 2930470), (10742, 1935005), (11185, 1858366), (14186, 1465235), (22370, 929183), (22663, 917170), (26855, 774002), (35465, 586094), (45326, 458585), (53710, 387001), (70930, 293047), (91717, 226630), (113315, 183434)]