20639034

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 48513192

約数和(自身を除く): 27874158

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 193, 234, 386, 457, 579, 914, 1158, 1371, 1737, 2509, 2742, 3474, 4113, 5018, 5941, 7527, 8226, 11882, 15054, 17823, 22581, 35646, 45162, 53469, 88201, 106938, 176402, 264603, 529206, 793809, 1146613, 1587618, 2293226, 3439839, 6879678, 10319517, 20639034]

約数ペア:

[(1, 20639034), (2, 10319517), (3, 6879678), (6, 3439839), (9, 2293226), (13, 1587618), (18, 1146613), (26, 793809), (39, 529206), (78, 264603), (117, 176402), (193, 106938), (234, 88201), (386, 53469), (457, 45162), (579, 35646), (914, 22581), (1158, 17823), (1371, 15054), (1737, 11882), (2509, 8226), (2742, 7527), (3474, 5941), (4113, 5018)]