20770836

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 49777728

約数和(自身を除く): 29006892

約数列:

[1, 2, 3, 4, 6, 12, 73, 131, 146, 181, 219, 262, 292, 362, 393, 438, 524, 543, 724, 786, 876, 1086, 1572, 2172, 9563, 13213, 19126, 23711, 26426, 28689, 38252, 39639, 47422, 52852, 57378, 71133, 79278, 94844, 114756, 142266, 158556, 284532, 1730903, 3461806, 5192709, 6923612, 10385418, 20770836]

約数ペア:

[(1, 20770836), (2, 10385418), (3, 6923612), (4, 5192709), (6, 3461806), (12, 1730903), (73, 284532), (131, 158556), (146, 142266), (181, 114756), (219, 94844), (262, 79278), (292, 71133), (362, 57378), (393, 52852), (438, 47422), (524, 39639), (543, 38252), (724, 28689), (786, 26426), (876, 23711), (1086, 19126), (1572, 13213), (2172, 9563)]