20116168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 42768000

約数和(自身を除く): 22651832

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 59, 68, 92, 109, 118, 136, 184, 218, 236, 391, 436, 472, 782, 872, 1003, 1357, 1564, 1853, 2006, 2507, 2714, 3128, 3706, 4012, 5014, 5428, 6431, 7412, 8024, 10028, 10856, 12862, 14824, 20056, 23069, 25724, 42619, 46138, 51448, 85238, 92276, 109327, 147913, 170476, 184552, 218654, 295826, 340952, 437308, 591652, 874616, 1183304, 2514521, 5029042, 10058084, 20116168]

約数ペア:

[(1, 20116168), (2, 10058084), (4, 5029042), (8, 2514521), (17, 1183304), (23, 874616), (34, 591652), (46, 437308), (59, 340952), (68, 295826), (92, 218654), (109, 184552), (118, 170476), (136, 147913), (184, 109327), (218, 92276), (236, 85238), (391, 51448), (436, 46138), (472, 42619), (782, 25724), (872, 23069), (1003, 20056), (1357, 14824), (1564, 12862), (1853, 10856), (2006, 10028), (2507, 8024), (2714, 7412), (3128, 6431), (3706, 5428), (4012, 5014)]