20828718

素因数分解:

$2^1\times 3^3\times {\mathrm{367}}^1\times {\mathrm{1051}}^1$

素因数の和:1429

約数の個数: 32

約数和(自身を含む): 46456320

約数和(自身を除く): 25627602

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 367, 734, 1051, 1101, 2102, 2202, 3153, 3303, 6306, 6606, 9459, 9909, 18918, 19818, 28377, 56754, 385717, 771434, 1157151, 2314302, 3471453, 6942906, 10414359, 20828718]

約数ペア:

[(1, 20828718), (2, 10414359), (3, 6942906), (6, 3471453), (9, 2314302), (18, 1157151), (27, 771434), (54, 385717), (367, 56754), (734, 28377), (1051, 19818), (1101, 18918), (2102, 9909), (2202, 9459), (3153, 6606), (3303, 6306)]