20138992

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43403}}^1$

素因数の和:43440

約数の個数: 20

約数和(自身を含む): 40365720

約数和(自身を除く): 20226728

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 43403, 86806, 173612, 347224, 694448, 1258687, 2517374, 5034748, 10069496, 20138992]

約数ペア:

[(1, 20138992), (2, 10069496), (4, 5034748), (8, 2517374), (16, 1258687), (29, 694448), (58, 347224), (116, 173612), (232, 86806), (464, 43403)]