20997670398

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{1303}}^1\times {\mathrm{4177}}^1$

素因数の和:6128

約数の個数: 32

約数和(自身を含む): 42103009536

約数和(自身を除く): 21105339138

約数列:

[1, 2, 3, 6, 643, 1286, 1303, 1929, 2606, 3858, 3909, 4177, 7818, 8354, 12531, 25062, 837829, 1675658, 2513487, 2685811, 5026974, 5371622, 5442631, 8057433, 10885262, 16114866, 16327893, 32655786, 3499611733, 6999223466, 10498835199, 20997670398]

約数ペア:

[(1, 20997670398), (2, 10498835199), (3, 6999223466), (6, 3499611733), (643, 32655786), (1286, 16327893), (1303, 16114866), (1929, 10885262), (2606, 8057433), (3858, 5442631), (3909, 5371622), (4177, 5026974), (7818, 2685811), (8354, 2513487), (12531, 1675658), (25062, 837829)]