20156164952

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{189139}}^1$

素因数の和:189336

約数の個数: 64

約数和(自身を含む): 47390918400

約数和(自身を除く): 27234753448

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 173, 308, 346, 616, 692, 1211, 1384, 1903, 2422, 3806, 4844, 7612, 9688, 13321, 15224, 26642, 53284, 106568, 189139, 378278, 756556, 1323973, 1513112, 2080529, 2647946, 4161058, 5295892, 8322116, 10591784, 14563703, 16644232, 29127406, 32721047, 58254812, 65442094, 116509624, 130884188, 229047329, 261768376, 359931517, 458094658, 719863034, 916189316, 1439726068, 1832378632, 2519520619, 2879452136, 5039041238, 10078082476, 20156164952]

約数ペア:

[(1, 20156164952), (2, 10078082476), (4, 5039041238), (7, 2879452136), (8, 2519520619), (11, 1832378632), (14, 1439726068), (22, 916189316), (28, 719863034), (44, 458094658), (56, 359931517), (77, 261768376), (88, 229047329), (154, 130884188), (173, 116509624), (308, 65442094), (346, 58254812), (616, 32721047), (692, 29127406), (1211, 16644232), (1384, 14563703), (1903, 10591784), (2422, 8322116), (3806, 5295892), (4844, 4161058), (7612, 2647946), (9688, 2080529), (13321, 1513112), (15224, 1323973), (26642, 756556), (53284, 378278), (106568, 189139)]