20512690518

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{739}}^1\times {\mathrm{272131}}^1$

素因数の和:272892

約数の個数: 32

約数和(自身を含む): 43497578880

約数和(自身を除く): 22984888362

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 739, 1478, 2217, 4434, 12563, 25126, 37689, 75378, 272131, 544262, 816393, 1632786, 4626227, 9252454, 13878681, 27757362, 201104809, 402209618, 603314427, 1206628854, 3418781753, 6837563506, 10256345259, 20512690518]

約数ペア:

[(1, 20512690518), (2, 10256345259), (3, 6837563506), (6, 3418781753), (17, 1206628854), (34, 603314427), (51, 402209618), (102, 201104809), (739, 27757362), (1478, 13878681), (2217, 9252454), (4434, 4626227), (12563, 1632786), (25126, 816393), (37689, 544262), (75378, 272131)]