20136164500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1388701}}^1$

素因数の和:1388749

約数の個数: 48

約数和(自身を含む): 45493877520

約数和(自身を除く): 25357713020

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 725, 1450, 2900, 3625, 7250, 14500, 1388701, 2777402, 5554804, 6943505, 13887010, 27774020, 34717525, 40272329, 69435050, 80544658, 138870100, 161089316, 173587625, 201361645, 347175250, 402723290, 694350500, 805446580, 1006808225, 2013616450, 4027232900, 5034041125, 10068082250, 20136164500]

約数ペア:

[(1, 20136164500), (2, 10068082250), (4, 5034041125), (5, 4027232900), (10, 2013616450), (20, 1006808225), (25, 805446580), (29, 694350500), (50, 402723290), (58, 347175250), (100, 201361645), (116, 173587625), (125, 161089316), (145, 138870100), (250, 80544658), (290, 69435050), (500, 40272329), (580, 34717525), (725, 27774020), (1450, 13887010), (2900, 6943505), (3625, 5554804), (7250, 2777402), (14500, 1388701)]