20219728

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43577}}^1$

素因数の和:43614

約数の個数: 20

約数和(自身を含む): 40527540

約数和(自身を除く): 20307812

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 43577, 87154, 174308, 348616, 697232, 1263733, 2527466, 5054932, 10109864, 20219728]

約数ペア:

[(1, 20219728), (2, 10109864), (4, 5054932), (8, 2527466), (16, 1263733), (29, 697232), (58, 348616), (116, 174308), (232, 87154), (464, 43577)]