20167688

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2549}}^1$

素因数の和:2621

約数の個数: 32

約数和(自身を含む): 40392000

約数和(自身を除く): 20224312

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 2549, 3956, 5098, 7912, 10196, 20392, 58627, 109607, 117254, 219214, 234508, 438428, 469016, 876856, 2520961, 5041922, 10083844, 20167688]

約数ペア:

[(1, 20167688), (2, 10083844), (4, 5041922), (8, 2520961), (23, 876856), (43, 469016), (46, 438428), (86, 234508), (92, 219214), (172, 117254), (184, 109607), (344, 58627), (989, 20392), (1978, 10196), (2549, 7912), (3956, 5098)]