20123394032

素因数分解:

$2^4\times 7^1\times {\mathrm{557}}^1\times {\mathrm{322573}}^1$

素因数の和:323145

約数の個数: 40

約数和(自身を含む): 44639080416

約数和(自身を除く): 24515686384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 557, 1114, 2228, 3899, 4456, 7798, 8912, 15596, 31192, 62384, 322573, 645146, 1290292, 2258011, 2580584, 4516022, 5161168, 9032044, 18064088, 36128176, 179673161, 359346322, 718692644, 1257712127, 1437385288, 2515424254, 2874770576, 5030848508, 10061697016, 20123394032]

約数ペア:

[(1, 20123394032), (2, 10061697016), (4, 5030848508), (7, 2874770576), (8, 2515424254), (14, 1437385288), (16, 1257712127), (28, 718692644), (56, 359346322), (112, 179673161), (557, 36128176), (1114, 18064088), (2228, 9032044), (3899, 5161168), (4456, 4516022), (7798, 2580584), (8912, 2258011), (15596, 1290292), (31192, 645146), (62384, 322573)]