20384578

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{881}}^1$

素因数の和:1409

約数の個数: 16

約数和(自身を含む): 32006016

約数和(自身を除く): 11621438

約数列:

[1, 2, 23, 46, 503, 881, 1006, 1762, 11569, 20263, 23138, 40526, 443143, 886286, 10192289, 20384578]

約数ペア:

[(1, 20384578), (2, 10192289), (23, 886286), (46, 443143), (503, 40526), (881, 23138), (1006, 20263), (1762, 11569)]