20173024016

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{68489}}^1$

素因数の和:68987

約数の個数: 40

約数和(自身を含む): 40128291000

約数和(自身を除く): 19955266984

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 449, 656, 898, 1796, 3592, 7184, 18409, 36818, 68489, 73636, 136978, 147272, 273956, 294544, 547912, 1095824, 2808049, 5616098, 11232196, 22464392, 30751561, 44928784, 61503122, 123006244, 246012488, 492024976, 1260814001, 2521628002, 5043256004, 10086512008, 20173024016]

約数ペア:

[(1, 20173024016), (2, 10086512008), (4, 5043256004), (8, 2521628002), (16, 1260814001), (41, 492024976), (82, 246012488), (164, 123006244), (328, 61503122), (449, 44928784), (656, 30751561), (898, 22464392), (1796, 11232196), (3592, 5616098), (7184, 2808049), (18409, 1095824), (36818, 547912), (68489, 294544), (73636, 273956), (136978, 147272)]