19925900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{6871}}^1$

素因数の和:6914

約数の個数: 36

約数和(自身を含む): 44736720

約数和(自身を除く): 24810820

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 6871, 13742, 27484, 34355, 68710, 137420, 171775, 199259, 343550, 398518, 687100, 797036, 996295, 1992590, 3985180, 4981475, 9962950, 19925900]

約数ペア:

[(1, 19925900), (2, 9962950), (4, 4981475), (5, 3985180), (10, 1992590), (20, 996295), (25, 797036), (29, 687100), (50, 398518), (58, 343550), (100, 199259), (116, 171775), (145, 137420), (290, 68710), (580, 34355), (725, 27484), (1450, 13742), (2900, 6871)]