20301768

素因数分解:

$2^3\times 3^2\times {\mathrm{457}}^1\times {\mathrm{617}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 55193580

約数和(自身を除く): 34891812

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 457, 617, 914, 1234, 1371, 1828, 1851, 2468, 2742, 3656, 3702, 4113, 4936, 5484, 5553, 7404, 8226, 10968, 11106, 14808, 16452, 22212, 32904, 44424, 281969, 563938, 845907, 1127876, 1691814, 2255752, 2537721, 3383628, 5075442, 6767256, 10150884, 20301768]

約数ペア:

[(1, 20301768), (2, 10150884), (3, 6767256), (4, 5075442), (6, 3383628), (8, 2537721), (9, 2255752), (12, 1691814), (18, 1127876), (24, 845907), (36, 563938), (72, 281969), (457, 44424), (617, 32904), (914, 22212), (1234, 16452), (1371, 14808), (1828, 11106), (1851, 10968), (2468, 8226), (2742, 7404), (3656, 5553), (3702, 5484), (4113, 4936)]