20116120

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2633}}^1$

素因数の和:2835

約数の個数: 32

約数和(自身を含む): 45515520

約数和(自身を除く): 25399400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2633, 3820, 5266, 7640, 10532, 13165, 21064, 26330, 52660, 105320, 502903, 1005806, 2011612, 2514515, 4023224, 5029030, 10058060, 20116120]

約数ペア:

[(1, 20116120), (2, 10058060), (4, 5029030), (5, 4023224), (8, 2514515), (10, 2011612), (20, 1005806), (40, 502903), (191, 105320), (382, 52660), (764, 26330), (955, 21064), (1528, 13165), (1910, 10532), (2633, 7640), (3820, 5266)]