20848166

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9643}}^1$

素因数の和:9715

約数の個数: 16

約数和(自身を含む): 33329664

約数和(自身を除く): 12481498

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9643, 19286, 221789, 443578, 453221, 906442, 10424083, 20848166]

約数ペア:

[(1, 20848166), (2, 10424083), (23, 906442), (46, 453221), (47, 443578), (94, 221789), (1081, 19286), (2162, 9643)]