20831650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1$

素因数の和:1195

約数の個数: 48

約数和(自身を含む): 45157824

約数和(自身を除く): 24326174

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 53, 70, 106, 175, 265, 350, 371, 530, 742, 1123, 1325, 1855, 2246, 2650, 3710, 5615, 7861, 9275, 11230, 15722, 18550, 28075, 39305, 56150, 59519, 78610, 119038, 196525, 297595, 393050, 416633, 595190, 833266, 1487975, 2083165, 2975950, 4166330, 10415825, 20831650]

約数ペア:

[(1, 20831650), (2, 10415825), (5, 4166330), (7, 2975950), (10, 2083165), (14, 1487975), (25, 833266), (35, 595190), (50, 416633), (53, 393050), (70, 297595), (106, 196525), (175, 119038), (265, 78610), (350, 59519), (371, 56150), (530, 39305), (742, 28075), (1123, 18550), (1325, 15722), (1855, 11230), (2246, 9275), (2650, 7861), (3710, 5615)]