20989849689

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1\times {\mathrm{3593}}^1$

素因数の和:4014

約数の個数: 48

約数和(自身を含む): 32294246400

約数和(自身を除く): 11304396711

約数列:

[1, 3, 9, 19, 57, 127, 171, 269, 381, 807, 1143, 2413, 2421, 3593, 5111, 7239, 10779, 15333, 21717, 32337, 34163, 45999, 68267, 102489, 204801, 307467, 456311, 614403, 649097, 966517, 1368933, 1947291, 2899551, 4106799, 5841873, 8669909, 8698653, 18363823, 26009727, 55091469, 78029181, 122747659, 165274407, 368242977, 1104728931, 2332205521, 6996616563, 20989849689]

約数ペア:

[(1, 20989849689), (3, 6996616563), (9, 2332205521), (19, 1104728931), (57, 368242977), (127, 165274407), (171, 122747659), (269, 78029181), (381, 55091469), (807, 26009727), (1143, 18363823), (2413, 8698653), (2421, 8669909), (3593, 5841873), (5111, 4106799), (7239, 2899551), (10779, 1947291), (15333, 1368933), (21717, 966517), (32337, 649097), (34163, 614403), (45999, 456311), (68267, 307467), (102489, 204801)]