20571348

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{244897}}^1$

素因数の和:244911

約数の個数: 24

約数和(自身を含む): 54857152

約数和(自身を除く): 34285804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 244897, 489794, 734691, 979588, 1469382, 1714279, 2938764, 3428558, 5142837, 6857116, 10285674, 20571348]

約数ペア:

[(1, 20571348), (2, 10285674), (3, 6857116), (4, 5142837), (6, 3428558), (7, 2938764), (12, 1714279), (14, 1469382), (21, 979588), (28, 734691), (42, 489794), (84, 244897)]