20403844678

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2474393}}^1$

素因数の和:2474452

約数の個数: 32

約数和(自身を含む): 38006691840

約数和(自身を除く): 17602847162

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 434, 589, 1178, 4123, 8246, 2474393, 4948786, 17320751, 34641502, 47013467, 76706183, 94026934, 153412366, 329094269, 536943281, 658188538, 1073886562, 1457417477, 2914834954, 10201922339, 20403844678]

約数ペア:

[(1, 20403844678), (2, 10201922339), (7, 2914834954), (14, 1457417477), (19, 1073886562), (31, 658188538), (38, 536943281), (62, 329094269), (133, 153412366), (217, 94026934), (266, 76706183), (434, 47013467), (589, 34641502), (1178, 17320751), (4123, 4948786), (8246, 2474393)]