20123068

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31247}}^1$

素因数の和:31281

約数の個数: 24

約数和(自身を含む): 41997312

約数和(自身を除く): 21874244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 31247, 62494, 124988, 218729, 437458, 718681, 874916, 1437362, 2874724, 5030767, 10061534, 20123068]

約数ペア:

[(1, 20123068), (2, 10061534), (4, 5030767), (7, 2874724), (14, 1437362), (23, 874916), (28, 718681), (46, 437458), (92, 218729), (161, 124988), (322, 62494), (644, 31247)]