20571138

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{54421}}^1$

素因数の和:54439

約数の個数: 32

約数和(自身を含む): 52245120

約数和(自身を除く): 31673982

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 54421, 108842, 163263, 326526, 380947, 489789, 761894, 979578, 1142841, 1469367, 2285682, 2938734, 3428523, 6857046, 10285569, 20571138]

約数ペア:

[(1, 20571138), (2, 10285569), (3, 6857046), (6, 3428523), (7, 2938734), (9, 2285682), (14, 1469367), (18, 1142841), (21, 979578), (27, 761894), (42, 489789), (54, 380947), (63, 326526), (126, 163263), (189, 108842), (378, 54421)]